TY  - BOOK
AU  - x, x
AU  - Tripathi A.K.
TI  - Global environmental problems: x
SN  - x
U1  - 304.2/G562 
PY  - 1993///
CY  - New Delhi
PB  - Ashish Pub
KW  - Environment
KW  - x
N1  - x
ER  -