TY  - BOOK
AU  - Trivedi,P.R, x
AU  - x
TI  - Natural resources conservation: x
SN  - 8176485314
U1  - 577.6/T842n 
PY  - 2004///
CY  - New Dellhi
PB  - A.P.H.pub.
KW  - Natural resources conservation
KW  - Natural resources
N1  - Includs
ER  -