TY  - BOOK
AU  - Tripathi,A.K..
TI  - Ecology and the environment / 
T2  - Protect global earth series, 
SN  - 8170245249
U1  - 577 
PY  - 1993///
CY  - New Delhi : 
PB  - Ashish Publishing House , 
KW  - ECOLOGY
N1  - NULL
ER  -