TY  - BOOK
TI  -  Freshwater forum : :  vol.6  1996
U1  -  P 578.76 FRE 
PY  - 1996///
CY  -  England : 
PB  -  Freshwater Biological Association , 
KW  -  Freshwater biologists
KW  -  Fresh water
N1  -  Includes bibliographical references
ER  -