1. Standard Methods for the Examination of Water and Wastewater;APHA,1985
2. Meteorological interpretation of the chemical composition of rainwater at one measuring site;Asman;Wat. Air Soil Pollut.,1981
3. Comparative study of the chemical composition of rain of three different zones in Mexico;Baez;Contam. Ambient.,1987
4. Variation of chemical composition of wet precipitation, using a sequential sampling: urban-rural areas comparison;Baez;Atmósfera,1993
5. Wet and dry deposition of nutrient in Central Alberta;Caiazza;Wat. Air Soil Pollut.,1978