TY  - BOOK
AU  - Tripathi, A K  .
AU  - Pandey,S N  .
AU  - Srivastava,A K  .
TI  - Advances in environmental sciences / 
SN  - 81  7024  528  1
U1  - 628 
PY  - 1993///
CY  - New Delhi : 
PB  - Ashish Publishing House , 
N1  - 19615-16 Scheme
ER  -