TY  - BOOK
AU  - Gopal, Brij .
AU  - Bhardwaj, N. .
TI  - Elements of Ecology
U1  - 591.5 
PY  - 1979///
CY  - New Delhi
PB  - Vikas Publishing House Pvt. Ltd.
KW  - Zoology
KW  - Ecology
KW  - G-Zoology
N1  - Index
ER  -