TY  - BOOK
AU  - Trivedi, P.R.
AU  - Sudarshan, K.N.
TI  - Environment & natural resources conservation
SN  - 8171692796
U1  - 363.700954 
PY  - 1994///
CY  - New Delhi
PB  -  Commonwealth Publishers, 
KW  - Conservation of natural resources
KW  -  India.
KW  - Environmental protection
KW  - India
ER  -