TY  - BOOK
AU  - Aggarwal, S K
TI  - Resource ecology
SN  - 81-85167-70-2
U1  - 333.75 21st
PY  - 1993///
CY  - Delhi
PB  - Himanshu
KW  - Ecology-India; Natural resources-India; Conservation of nautural resources-India
ER  -