TY  - GEN
AU  - Jeffries , Michael 
AU  - Mills , Derek  
TI  - Freshwater ecology principles and applications
SN  - 8123900422
U1  - 577.6 
PY  - 1992///
CY  - New Delhi
PB  - CBS Publishers
KW  - Aquatic Ecology
KW  - Life Science
ER  -