TY  - BOOK
AU  - Tripathi A. K.
AU  - A. K. Srivastava
ED  - 
TI  - Advances in Environmental Sciences
SN  - 8170245281
U1  - 614.71 Tri/Adv 
PY  - 1993///
CY  - New Delhi
PB  - Ashish Pub.
KW  - Public Preventive Medicine
N1  - B
ER  -