TY  - BOOK
AU  - S. K. BASU
TI  - QUESTION AND ANSWERS IN ENVIRONMENTAL SCIENCE
SN  - 81  7371  547  5
U1  - 614.7/BAS/QUE 
PY  - 2005///
CY  - KOLKATA
PB  - UNIVERSISTY PRESS
KW  - INCIDENCE & PREVENTION OF DISEASE
KW  - MEDICAL SCIENCE
ER  -