TY  - BOOK
AU  - Sen, David N.
TI  - Concepts in Indian ecology
U1  - 577.0954 21st ed.
PY  - 1978///
CY  - Jullundur
PB  - S. Nagin
KW  - Ecology-India
KW  - Environmental sciences-India
N1  - Index: pp 321-30
ER  -