TY  - BOOK
AU  - Singh, K.K 
AU  - Singh, A.K ; Tomar, Alka & Singh, Vinod 	
TI  - Environmental degradation and protection (Vol. II) /	
U1  - 333.72 SIN 
PY  - 2007///
CY  - New Delhi : 	 		
PB  - MD Publications Pvt. Ltd.
N1  - Includes Index
ER  -