TY  - BOOK
AU  - Negi, S. S.
TI  - Environmental degradation and crisis in India
SN  - 818518254
U1  - 363.70954 
PY  - 1991///
CY  - New Delhi
PB  - Indus Publications Company 
KW  - Environmenat science
KW  - Degradation and crisis
KW  -  India
ER  -