TY  - BOOK
AU  - Santhanam,R.
AU  - Velayutham,P.
AU  - Jegatheesan,G.
TI  - A manual of freshwater ecology : : an aspect of fishery environment 
SN  - 8170350549
U1  - 574.526320202 21
PY  - 1989///
CY  - Delhi
PB  -  Daya, 
KW  - Freshwater ecology.
KW  - Fisheries -- Environmental aspects
N1  - Includes bibliographical references and index

ER  -