TY  - BOOK
AU  - Trivedi P R
AU  -  Sudarashan K N Ed.
TI  - Environment and natural resources conservation
U1  - U671:(G:527), N4 
PY  - 1994///
CY  -  New Delhi 
PB  - Commonwealth Publishers        
N1  - Appendix: P 246-66
ER  -