TY  - BOOK
AU  -  Trivedi, P R
TI  - Encyclopaedia of environment, pollution, planning and conservation: Environmental pollution and control  
SN  - 8176840002 (set);8176480061 (v 6)
PY  - 1998///
CY  - New Delhi
PB  - A.P.H., 
KW  - Environmental management
N1  - Includes index
ER  -