TY  - BOOK
AU  - Gupta, Subodh, ed.
ED  - Seminar on Environmental Degradation :
TI  - The environmental degradations: proceedings
U1  - 363.7 21st ed.
PY  - 1990///
CY  - Obra
PB  - Government of India
KW  - Environmental degradation
KW  - Pollution
ER  -