TY  - BOOK
AU  - Warren,Charles E.
AU  - Doudoroff,Peter
TI  - Biology and water pollution control
SN  - 072169120X
AV  - TD 420 .W37 1971 
U1  - 574.5/2632 
PY  - 1971///
CY  - Philadelphia
PB  - Saunders
KW  - Water
KW  - Pollution
KW  - Freshwater ecology
N1  - Includes bibliographical references and index; Bibliography: p. 397-421
ER  -