1. Cleaning Our Environment: The Chemical Basis for Action: 93 (1969).
2. Federal Water Pollution Control Administration,The Economics of Clean Water 1: 18 (1970).
3. Budget Bureau: Do Advisory Panels Have an Industry Bias?
4. STEPHAN, D.G., WASTEWATER TREATMENT AND RENOVATION STATUS OF PROCESS DEVELOPMENT, JOURNAL WATER POLLUTION CONTROL FEDERATION 42: 399 (1970).