TY  - BOOK
AU  - MICHAEL, PREMA
TI  - ECOLOGICAL METHODS FOR FIELD AND LABORATORY INVESTIGATIONS / 
U1  - 574.5072 
PY  - 1984///
CY  - NEW DELHI
PB  - TATA MCGRAW-HILL PUBLISHING CO. PVT.LTD
KW  - ECOLOGICAL METHODS
ER  -