00825cam a2200265 4500 4072549 BD-DhUL 20150113163044.0 710318s1971 enka b 001 0 eng 70126463 072169120X DLC DLC DLC BD-DhUL TD420 .W32 628.16 WAB Warren, Charles E., 1926- Biology and water pollution control / Charles E. Warren, in collaboration with Peter Doudoroff. London, Saunders, c1971. xvi, 434 p. : ill. ; 27 cm. Includes Bibliographical references: [p. 397-421]. Water Pollution. Freshwater ecology. Doudoroff, Peter. 7 cbc orignew 2 ncip 19 y-gencatlg ddc BK 30399 30399 0 0 ddc 0 628_160000000000000_WAB 0 NFIC 57533 DUSL DUSL GEN 1972-09-01 Gift 628.16 WAB A86130 2015-01-13 2015-01-13 BK