National Association of State Universities and Land Grant Colleges
1973
244 p. illus. 28 cm
Sponsored by the Environmental Protection Agency. The U.S. Dept. of Agriculture ]and[ the National Association of State Universities and Land-Grant Colleges
Includes bibliography
، Sewage disposal-- Congresses
TD
433
.
J65
1973
AU
CO National Association of State Universities and Land Grant Colleges
CO United States. Environmental Protection Agency
Joint conference on Recycling Municipal Sludges and Effluents on Land, Champaign, Ill,. 1973.