1. American Water Works Association, and Water Pollution Control Federation;APHA (American Public Health Association),1975
2. Environmental, health and control aspects of coal conversion: An information overview,1977
3. Soils and geochemistry studies;Bolter,1977
4. Simulation of flow patterns and ion-exchange in soil percolation experiment;Christopherson;Water, Air, Soil Pollut.,1980
5. Physical and chemical methods of soil and water analysis;Devis,1970