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Máté Vörösmarty, Philip K. Hopke & Imre Salma. (2024) Attribution of aerosol particle number size distributions to main sources using an 11-year urban dataset. Atmospheric Chemistry and Physics 24:9, pages 5695-5712.
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Philip K. Hopke, Yunle Chen, David C. Chalupa & David Q. Rich. (2024) Long term trends in source apportioned particle number concentrations in Rochester NY. Environmental Pollution 347, pages 123708.
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Sazal Kumar, Narottam Saha, Anika Amir Mohana, Md. Sabbir Hasan, M. Safiur Rahman, Michele Elmes & Geoff R. MacFarlane. (2024) Atmospheric Particulate Matter and Associated Trace Elements Pollution in Bangladesh: A Comparative Study with Global Megacities. Water, Air, & Soil Pollution 235:4.
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Panayiotis Kalkavouras, Georgios Grivas, Iasonas Stavroulas, Kalliopi Petrinoli, Aikaterini Bougiatioti, Eleni Liakakou, Evangelos Gerasopoulos & Nikolaos Mihalopoulos. (2024) Source apportionment of fine and ultrafine particle number concentrations in a major city of the Eastern Mediterranean. Science of The Total Environment 915, pages 170042.
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Qingsong Wang, Juntao Huo, Hui Chen, Yusen Duan, Qingyan Fu, Yi Sun, Kun Zhang, Ling Huang, Yangjun Wang, Jiani Tan, Li Li, Lina Wang, Dan Li, Christian George, Abdelwahid Mellouki & Jianmin Chen. (2023) Traffic, marine ships and nucleation as the main sources of ultrafine particles in suburban Shanghai, China. Environmental Science: Atmospheres 3:12, pages 1805-1819.
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Mina W. Tehrani, Edward C. Fortner, Ellis S. Robinson, Andrea A. Chiger, Roger Sheu, Benjamin S. Werden, Carolyn Gigot, Tara Yacovitch, Scott Van Bramer, Thomas Burke, Kirsten Koehler, Keeve E. Nachman, Ana M. Rule & Peter F. DeCarlo. (2023) Characterizing metals in particulate pollution in communities at the fenceline of heavy industry: combining mobile monitoring and size-resolved filter measurements. Environmental Science: Processes & Impacts 25:9, pages 1491-1504.
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Philip K. Hopke, Yunle Chen, David Q. Rich, Dennis Mooibroek & Uwayemi M. Sofowote. (2023) The application of positive matrix factorization with diagnostics to BIG DATA. Chemometrics and Intelligent Laboratory Systems 240, pages 104885.
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Yanhong Zhu, Ishaq Dimeji Sulaymon, Xiaodong Xie, Jianjiong Mao, Song Guo, Min Hu & Jianlin Hu. (2022) Airborne particle number concentrations in China: A critical review. Environmental Pollution 307, pages 119470.
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Yanting Qiu, Zhijun Wu, Ruiqi Man, Yuechen Liu, Dongjie Shang, Lizi Tang, Shiyi Chen, Song Guo, Xu Dao, Shuai Wang, Guigang Tang & Min Hu. (2022) Historically understanding the spatial distributions of particle surface area concentrations over China estimated using a non-parametric machine learning method. Science of The Total Environment 824, pages 153849.
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Philip K. Hopke, Yinchang Feng & Qili Dai. (2022) Source apportionment of particle number concentrations: A global review. Science of The Total Environment 819, pages 153104.
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Tingkun Li, Qili Dai, Xiaohui Bi, Jianhui Wu, Yufen Zhang & Yinchang Feng. (2021) Size distribution and chemical characteristics of particles from crop residue open burning in North China. Journal of Environmental Sciences 109, pages 66-76.
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Chun-Sheng Liang, Dingli Yue, Hao Wu, Jin-Sen Shi & Ke-Bin He. (2021) Source apportionment of atmospheric particle number concentrations with wide size range by nonnegative matrix factorization (NMF). Environmental Pollution 289, pages 117846.
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Md. Mozammel Haque, Santosh Kumar Verma, Dhananjay K. Deshmukh, Bhagawati Kunwar, Yuzo Miyazaki & Kimitaka Kawamura. (2021) Seasonal and temporal variations of ambient aerosols in a deciduous broadleaf forest from northern Japan: Contributions of biomass burning and biological particles. Chemosphere 279, pages 130540.
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Santosh Kumar Verma, Kimitaka Kawamura, Dhananjay Kumar Deshmukh, Md. Mozammel Haque & Chandra Mouli Pavuluri. (2021) Seasonal Characteristics of Biogenic Secondary Organic Aerosols Over Chichijima Island in the Western North Pacific: Impact of Biomass Burning Activity in East Asia. Journal of Geophysical Research: Atmospheres 126:12.
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Xiangpeng Huang, Huan Yu, Lei Tong, Mengrong Yang, Fuzhen Shen, Yangzhou Wu, Dongyang Nie, Qiuliang Cai, Xiaorong Dai, Xinlei Ge & Hang Xiao. (2021) Real-time non-refractory PM1 chemical composition, size distribution and source apportionment at a coastal industrial park in the Yangtze River Delta region, China. Science of The Total Environment 763, pages 142968.
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Philip K. Hopke. (2021) Recent advances in air pollution mixture resolutions. Microchemical Journal 163, pages 105907.
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Santosh Kumar Verma, Kimitaka Kawamura, Fei Yang, Pingqing Fu, Yugo Kanaya & Zifa Wang. (2021) Measurement report: Diurnal and temporal variations of sugar compounds in suburban aerosols from the northern vicinity of Beijing, China – an influence of biogenic and anthropogenic sources. Atmospheric Chemistry and Physics 21:6, pages 4959-4978.
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Philip K. Hopke. (2021) Approaches to reducing rotational ambiguity in receptor modeling of ambient particulate matter. Chemometrics and Intelligent Laboratory Systems 210, pages 104252.
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Tingkun Li, Baoshuang Liu, Xiaohui Bi, Jianhui Wu, Yufen Zhang & Yinchang Feng. (2021) Size and chemical characteristics of particles emitted from typical rural biomass cookstoves in North China. Atmospheric Research 249, pages 105295.
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Chen Chen, Shan Liu, Wei Dong, Yi Song, Mengtian Chu, Junhui Xu, Xinbiao Guo, Bin Zhao & Furong Deng. (2021) Increasing cardiopulmonary effects of ultrafine particles at relatively low fine particle concentrations. Science of The Total Environment 751, pages 141726.
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Teresa Moreno, Cristina Reche, Kang-Ho Ahn, Hee-Ram Eun, Woo Young Kim, Hee-Sang Kim, Amaia Fernández-Iriarte, Fulvio Amato & Xavier Querol. (2020) Using miniaturised scanning mobility particle sizers to observe size distribution patterns of quasi-ultrafine aerosols inhaled during city commuting. Environmental Research 191, pages 109978.
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Chun-Sheng Liang, Hao Wu, Hai-Yan Li, Qiang Zhang, Zhanqing Li & Ke-Bin He. (2020) Efficient data preprocessing, episode classification, and source apportionment of particle number concentrations. Science of The Total Environment 744, pages 140923.
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Milad Pirhadi, Amirhosein Mousavi, Mohammad H. Sowlat, Nicole A.H. Janssen, Flemming R. Cassee & Constantinos Sioutas. (2020) Relative contributions of a major international airport activities and other urban sources to the particle number concentrations (PNCs) at a nearby monitoring site. Environmental Pollution 260, pages 114027.
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Ho-Tang Liao & Chang-Fu Wu. (2020) Trajectory-Assisted Source Apportionment of Winter-Time Aerosol Using Semi-continuous Measurements. Archives of Environmental Contamination and Toxicology 78:3, pages 430-438.
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Xiaohui Bi, Qili Dai, Jianhui Wu, Qing Zhang, Wenhui Zhang, Ruixue Luo, Yuan Cheng, Jiaying Zhang, Lu Wang, Zhuojun Yu, Yufen Zhang, Yingze Tian & Yinchang Feng. (2019) Characteristics of the main primary source profiles of particulate matter across China from 1987 to 2017. Atmospheric Chemistry and Physics 19:5, pages 3223-3243.
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Stefania Squizzato, Mauro Masiol, Fereshteh Emami, David Chalupa, Mark Utell, David Rich & Philip Hopke. (2019) Long-Term Changes of Source Apportioned Particle Number Concentrations in a Metropolitan Area of the Northeastern United States. Atmosphere 10:1, pages 27.
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Baoshuang Liu, Xiaohui Bi, Jiaying Zhang, Jie Yuan, Zhimei Xiao, Qili Dai, Yinchang Feng & Yufen Zhang. (2019) Insight into the critical factors determining the particle number concentrations during summer at a megacity in China. Journal of Environmental Sciences 75, pages 169-180.
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Qili Dai, Xiaohui Bi, Yanqi Huangfu, Jiamei Yang, Tingkun Li, Jahan Zeb Khan, Congbo Song, Jiao Xu, Jianhui Wu, Yufen Zhang & Yinchang Feng. (2019) A size-resolved chemical mass balance (SR-CMB) approach for source apportionment of ambient particulate matter by single element analysis. Atmospheric Environment 197, pages 45-52.
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Provat K. Saha, Ellis S. Robinson, Rishabh U. Shah, Naomi Zimmerman, Joshua S. Apte, Allen L. Robinson & Albert A. Presto. (2018) Reduced Ultrafine Particle Concentration in Urban Air: Changes in Nucleation and Anthropogenic Emissions. Environmental Science & Technology 52:12, pages 6798-6806.
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Amirhosein Mousavi, Mohammad H. Sowlat & Constantinos Sioutas. (2018) Diurnal and seasonal trends and source apportionment of redox-active metals in Los Angeles using a novel online metal monitor and Positive Matrix Factorization (PMF). Atmospheric Environment 174, pages 15-24.
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Santosh Kumar Verma, Kimitaka Kawamura, Jing Chen & Pingqing Fu. (2018) Thirteen years of observations on primary sugars and sugar alcohols over remote Chichijima Island in the western North Pacific. Atmospheric Chemistry and Physics 18:1, pages 81-101.
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Cécile Debevec, Stéphane Sauvage, Valérie Gros, Jean Sciare, Michael Pikridas, Iasonas Stavroulas, Thérèse Salameh, Thierry Leonardis, Vincent Gaudion, Laurence Depelchin, Isabelle Fronval, Roland Sarda-Esteve, Dominique Baisnée, Bernard Bonsang, Chrysanthos Savvides, Mihalis Vrekoussis & Nadine Locoge. (2017) Origin and variability in volatile organic compounds observed at an Eastern Mediterranean background site (Cyprus). Atmospheric Chemistry and Physics 17:18, pages 11355-11388.
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M. Masiol, P.K. Hopke, H.D. Felton, B.P. Frank, O.V. Rattigan, M.J. Wurth & G.H. LaDuke. (2017) Source apportionment of PM2.5 chemically speciated mass and particle number concentrations in New York City. Atmospheric Environment 148, pages 215-229.
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Mohammad Hossein Sowlat, Sina Hasheminassab & Constantinos Sioutas. (2016) Source apportionment of ambient particle number concentrations in central Los Angeles using positive matrix factorization (PMF). Atmospheric Chemistry and Physics 16:8, pages 4849-4866.
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Zirui Liu, Yuesi Wang, Bo Hu, Dongsheng Ji, Junke Zhang, Fangkun Wu, Xin Wan & Yonghong Wang. (2015) Source appointment of fine particle number and volume concentration during severe haze pollution in Beijing in January 2013. Environmental Science and Pollution Research 23:7, pages 6845-6860.
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Abdullah N. Al-Dabbous & Prashant Kumar. (2015) Source apportionment of airborne nanoparticles in a Middle Eastern city using positive matrix factorization. Environmental Science: Processes & Impacts 17:4, pages 802-812.
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Amber J. HackstadtRoger D. Peng. (2014) A Bayesian multivariate receptor model for estimating source contributions to particulate matter pollution using national databases. Environmetrics 25:7, pages 513-527.
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Q. Bian, X. H. H. Huang & J. Z. Yu. (2014) One-year observations of size distribution characteristics of major aerosol constituents at a coastal receptor site in Hong Kong – Part 1: Inorganic ions and oxalate. Atmospheric Chemistry and Physics 14:17, pages 9013-9027.
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Qing Zhang & J.E. Thompson. (2014) Effect of particle mixing morphology on aerosol scattering and absorption: A discrete dipole modeling study. GeoResJ 3-4, pages 9-18.
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Z. B. Wang, M. Hu, Z. J. Wu, D. L. Yue, L. Y. He, X. F. Huang, X. G. Liu & A. Wiedensohler. (2013) Long-term measurements of particle number size distributions and the relationships with air mass history and source apportionment in the summer of Beijing. Atmospheric Chemistry and Physics 13:20, pages 10159-10170.
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Julie M. Panko, Jennifer Chu, Marisa L. Kreider & Ken M. Unice. (2013) Measurement of airborne concentrations of tire and road wear particles in urban and rural areas of France, Japan, and the United States. Atmospheric Environment 72, pages 192-199.
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Kelly Sabaliauskas, Cheol-Heon Jeong, Xiaohong Yao, Yun-Seok Jun & Greg Evans. (2013) Cluster analysis of roadside ultrafine particle size distributions. Atmospheric Environment 70, pages 64-74.
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Adrian J. Friend, Godwin A. Ayoko, Daniel Jager, Megan Wust, E. Rohan Jayaratne, Milan Jamriska & Lidia Morawska. (2013) Sources of ultrafine particles and chemical species along a traffic corridor: comparison of the results from two receptor models. Environmental Chemistry 10:1, pages 54.
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Jianwei Gu, Mike Pitz, Susanne Breitner, Wolfram Birmili, Stephanie von Klot, Alexandra Schneider, Jens Soentgen, Armin Reller, Annette Peters & Josef Cyrys. (2012) Selection of key ambient particulate variables for epidemiological studies — Applying cluster and heatmap analyses as tools for data reduction. Science of The Total Environment 435-436, pages 541-550.
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Adrian J. Friend, Godwin A. Ayoko, E. Rohan Jayaratne, Milan Jamriska, Philip K. Hopke & Lidia Morawska. (2012) Source apportionment of ultrafine and fine particle concentrations in Brisbane, Australia. Environmental Science and Pollution Research 19:7, pages 2942-2950.
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Francis G. Ofosu, Philip K. Hopke, Innocent J.K. Aboh & Samuel A. Bamford. (2012) Characterization of fine particulate sources at Ashaiman in Greater Accra, Ghana. Atmospheric Pollution Research 3:3, pages 301-310.
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Indrani Gupta, Abhaysinh Salunkhe & Rakesh Kumar. (2012)
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Fulvio Amato & Philip K. Hopke. (2012) Source apportionment of the ambient PM2.5 across St. Louis using constrained positive matrix factorization. Atmospheric Environment 46, pages 329-337.
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M.S. Landis, J.P. Pancras, J.R. Graney, R.K. Stevens, K.E. Percy & S. Krupa. 2012. Alberta Oil Sands. Alberta Oil Sands
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Qimin Cao, Hua Wang & Guizhu Chen. (2011) Source Apportionment of PAHs Using Two Mathematical Models for Mangrove Sediments in Shantou Coastal Zone, China. Estuaries and Coasts 34:5, pages 950-960.
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Jianwei Gu, Mike Pitz, Jürgen Schnelle-Kreis, Jürgen Diemer, Armin Reller, Ralf Zimmermann, Jens Soentgen, Matthias Stoelzel, H.-Erich Wichmann, Annette Peters & Josef Cyrys. (2011) Source apportionment of ambient particles: Comparison of positive matrix factorization analysis applied to particle size distribution and chemical composition data. Atmospheric Environment 45:10, pages 1849-1857.
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Jorge Pey, Xavier Querol, Andrés Alastuey, Sergio Rodríguez, Jean Philippe Putaud & Rita Van Dingenen. (2009) Source apportionment of urban fine and ultra-fine particle number concentration in a Western Mediterranean city. Atmospheric Environment 43:29, pages 4407-4415.
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Guanlan Wang, Philip Hopke & Gang Fu. (2009) Identification of major sources of PM2.5 in St. Louis Missouri USA. Journal of Ocean University of China 8:2, pages 101-110.
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P. Krecl, E. Hedberg Larsson, J. Ström & C. Johansson. (2008) Contribution of residential wood combustion and other sources to hourly winter aerosol in Northern Sweden determined by positive matrix factorization. Atmospheric Chemistry and Physics 8:13, pages 3639-3653.
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Wei Yue, Matthias Stölzel, Josef Cyrys, Mike Pitz, Joachim Heinrich, Wolfgang G. Kreyling, H.-Erich Wichmann, Annette Peters, Sheng Wang & Philip K. Hopke. (2008) Source apportionment of ambient fine particle size distribution using positive matrix factorization in Erfurt, Germany. Science of The Total Environment 398:1-3, pages 133-144.
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Seung Shik Park, Kwon-Ho Lee, Young J. Kim, Tae Young Kim, Sung Yong Cho & Seung Jai Kim. (2008) High time-resolution measurements of carbonaceous species in PM2.5 at an urban site of Korea. Atmospheric Research 89:1-2, pages 48-61.
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Yulong Xie & Carl M. Berkowitz. (2007) The use of conditional probability functions and potential source contribution functions to identify source regions and advection pathways of hydrocarbon emissions in Houston, Texas. Atmospheric Environment 41:28, pages 5831-5847.
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T. W. Chan & M. Mozurkewich. (2007) Application of absolute principal component analysis to size distribution data: identification of particle origins. Atmospheric Chemistry and Physics 7:3, pages 887-897.
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Yulong Xie & Carl M. Berkowitz. (2006) The use of positive matrix factorization with conditional probability functions in air quality studies: An application to hydrocarbon emissions in Houston, Texas. Atmospheric Environment 40:17, pages 3070-3091.
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Jong Hoon Lee, Philip K. Hopke & Jay R. Turner. (2006)
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Timothy V. Larson, David S. Covert, Eugene Kim, Robert Elleman, Astrid B. Schreuder & Thomas Lumley. (2006)
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Philip K Hopke, Kazuhiko Ito, Therese Mar, William F Christensen, Delbert J Eatough, Ronald C Henry, Eugene Kim, Francine Laden, Ramona Lall, Timothy V Larson, Hao Liu, Lucas Neas, Joseph Pinto, Matthias Stölzel, Helen Suh, Pentti Paatero & George D Thurston. (2005) PM source apportionment and health effects: 1. Intercomparison of source apportionment results. Journal of Exposure Science & Environmental Epidemiology 16:3, pages 275-286.
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Liming Zhou, Philip K. Hopke, Charles O. Stanier, Spyros N. Pandis, John M. Ondov & J. Patrick Pancras. (2005) Investigation of the relationship between chemical composition and size distribution of airborne particles by partial least squares and positive matrix factorization. Journal of Geophysical Research: Atmospheres 110:D7.
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Liming Zhou, Eugene Kim, Philip K. Hopke, Charles Stanier & Spyros N. Pandis. (2005) Mining airborne particulate size distribution data by positive matrix factorization. Journal of Geophysical Research: Atmospheres 110:D7.
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Liming Zhou, Philip K Hopke, Pentti Paatero, John M Ondov, J.Patrick Pancras, Natalie J Pekney & Cliff I Davidson. (2004) Advanced factor analysis for multiple time resolution aerosol composition data. Atmospheric Environment 38:29, pages 4909-4920.
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Eugene Kim & Philip K Hopke. (2004) Comparison between Conditional Probability Function and Nonparametric Regression for Fine Particle Source Directions. Atmospheric Environment 38:28, pages 4667-4673.
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Charles O Stanier, Andrey Y Khlystov & Spyros N Pandis. (2004) Ambient aerosol size distributions and number concentrations measured during the Pittsburgh Air Quality Study (PAQS). Atmospheric Environment 38:20, pages 3275-3284.
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Yanting Qiu, Zhijun Wu, Ruiqi Man, Yuechen Liu, Dongjie Shang, Lizi Tang, Shiyi Chen, Song Guo, Xu Dao, Shuai Wang, Guigang Tang & Min Hu. (2021) Historically Understanding the Spatial Distributions of Particle Surface Area Concentrations Over China Estimated Using a Non-Parametric Machine Learning Method. SSRN Electronic Journal.
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