TY  - BOOK
AU  - Mason,C.F.
TI  - Biology of freshwater pollution
SN  - 0582061911
AV  - QH 545 .W3M37 1991
U1  - 628.1/68/09169 20
PY  - 1991///
CY  - Harlow, Essex, England, New York
PB  - Longman Scientific & Technical, Wiley
KW  - Water
KW  - Pollution
KW  - Freshwater biology
N1  - Includes bibliographical references and index
ER  -