TY  - BOOK
AU  - Purohit, S.S  	
AU  - Shammi, Q. J
AU  - Agrawal, A.K
TI  - Environmental sciences : 	 	: a new approach /	
U1  - 363.7 PUR 
PY  - 2007///
CY  - India : 
PB  - Agrobios India, 	
N1  - Includes Index.
ER  -