TY - BOOK ED - International Symposium on River Ecology and the Impact of Man (1971 : University of Massachusetts) ED - Oglesby, Ray T. ED - Carlson, Clarence A. ED - McCann, James A. TI - River ecology and man SN - 0125244509 PY - 1972/// CY - New York PB - Academic Press KW - Rivers KW - Congresses KW - Water KW - Pollution KW - Environmental aspects KW - Ecology N1 - Includes bibliographies ER -