TY  - BOOK
AU  - Trivedi, P R
TI  - Encyclopaedia of environment, pollution, planning and conservation: natrual resources conservation vol. 3
SN  - 8176480037
U1  - 363.73 TRI/NA 
PY  - 2000///
CY  - New Delhi
PB  - A.P.H.publishing corporation
ER  -