TY  - BOOK
AU  - Trivedi, Priyaranjan
TI  - Encyclopaedia of pollution control
SN  - 8171391028
U1  - 363.736 PRI.5 
PY  - 2007///
CY  - New Delhi
PB  - Jnanada Prakashan
KW  - Other social problems & services
ER  -