TY  - BOOK
AU  - Tripathi,  A K ed.
TI  - Global environmental problems Vol.3
T2  - Protect Global Earth Series
SN  - 8170245230
U1  - 577.2  TRI-G.3 
PY  - 1993///
CY  -  New Delhi
PB  - Ashish Publishing House
KW  - Specific factors affecting ecology
ER  -