References
- Bubb , J. M. and Lester , J. N. 1994 . Anthropogenic heavy metal inputs to lowland river systems, a case study: The River Stour, UK . Water, Air and Soil Pollution , 78 : 279 – 296 .
- De Vries , W. , Römkens , P. F.A.M. , van Leeuwen , T. and Bronswijk , J. J.B. 2002 . “ Heavy metals ” . In Agriculture, Hydrology, and Water Quality Edited by: Haygarth , P. M. and Jarvis , S. C. 107 – 132 . CAB International, Wallingford, Oxfordshire .
- Díaz‐Fierros Viqueira , F. 2003 . “ As augas superficiais ” . In Reflexions sobre o Medio Ambiente en Galicia Edited by: Casares Long , J. J. 251 – 271 . Santiago de Compostela, , Spain : Xunta de Galicia, Litonor .
- Foster , I. D.L. and Charlesworth , S. M. 1996 . Heavy metals in the hydrological cycle: Trends and explanation . Hydrological Processes , 10 : 227 – 261 .
- Forstner , U. and Wittman , G. T.W. 1979 . Metal Pollution in the Acuatic Enviroment 1 – 486 . Berlin, , Germany : Springer‐Verlang .
- Holgate , M. W. 1979 . A Perspective of Environmental Pollution Cambridge, , UK : Cambridge University Press .
- Krein , A. and Symader , W. 2000 . “ Pollutant sources and transport patterns during natural and artificial flood events in the Olewiger Bach and Kartelbornsbach basins, Germany ” . In The Role of Erosion and Sediment Transport in Nutrient and Contaminant Transfer Edited by: Stone , M. 167 – 173 . Wallingford, Oxfordshire, , UK : (IAHS Publication 263). Institute of Hydrology .
- Meybeck , M. and Helmer , R. 1989 . The quality of rivers: From pristine stage to global pollution . Paleography, Paleoclimatology, Paleoecology , 75 : 283 – 309 .
- Sande Fouz , P. 2005 . Transporte de sólidos en suspensión y elementos químicos asociados desde una cuenca agroforestal 1 – 420 . Spain : University of Corunna . PhD diss