References
- et al. Benzopyrene Content of Air of American Communities Amer Industr Hyg Ass J Dec 1960 21 443 445
- Sawicki , E. August 1962 . Analysis for Airborne Particulate Hydrocarbons: Their Relative Proportions as Affected by Different Types of Pollution, Symposium , Analysis of Carcinogenic Air Pollutants August , National Cancer Institute, Public Health Service, Department of Health, Education, and Welfare . monograph No. 9
- Schueneman , J. 1963 . Air Pollution Problems and Control Programs in United States . J Air Pollut Contr Ass , 13 March : 116 – 125 .
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