TY  - BOOK
AU  - Mason, C. F.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0582247322 (pbk) :
SN  - 2
PY  - 1996///46
CY  - Harlow
PB  - Longman
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Pollution
KW  - Freshwater biology;Water
KW  - Great Britain.;Great Britain
KW  - Water;Pollution.;Great Britain
N1  - Previous ed.: 1991.;Includes index; Bibliography: p. 296-341; 5
ER  -