TY  - BOOK
AU  - Gupta, K.R 	
TI  - Encyclopaedia of environment : 	 		 	: environment problems ad policies (Vol. I) 
U1  - 363.7 GUP 
PY  - 2005///
CY  - New Delhi
PB  - Atlantic Publisher & Distributors
N1  - Includes Index
ER  -