TY  - BOOK
AU  - Singh, Dr. S. G 	
AU  - Abbas, Dr. S. G 
AU  - Singh, Dr. B. S
TI  - Environment and natural resources /		 	
SN  - 9788189304010
U1  - 333.7 SIN 
PY  - 2005///
CY  - New Delhi : 
PB  - Satish Serial Publishing House, 	
N1  - Includes Index
ER  -