TY  - BOOK
AU  - Tripathi, A.K. ed.
AU  - Srivastava, A.K. ed.
TI  - Advance in Environmental Science
SN  - 8170245281
U1  - 581.5 
PY  - 1993///,
CY  - Newdelhi
PB  - Ashish Publishing House
KW  - Environmental Sciences
ER  -