TY  - BOOK
AU  - Bhatia, A L
TI  - Textbook of environmental biology
U1  - 577 B469T 
PY  - 2010///
CY  - New Delhi
PB  - I K International Publishing House
N1  - 2549 01/08/2013 5451 05/08/2013 Main Budget
ER  -