TY  - BOOK
AU  - Kumar, Anil.
AU  - Singh, Umesh Prasad.
TI  - Environmental protection and industrial development /by Anil Kumar and Umesh Prasad Singh
SN  - 8170242959
U1  - 363.1 
PY  - 1990///
CY  - New Delhi
PB  - Ashish Pub. House
ER  -