TY  - BOOK
AU  - "Unni, K. Sankaran"
AU  - Ahrens
AU  - C. Donald
TI  - Conservation and management of aquatic ecosystems
SN  - 81-7035-290-8
U1  - 574.526 
PB  - Daya Publishing House
KW  - Conservation and management of aquatic ecosystems
ER  -