TY  - GEN
AU  - Gautam, Vidyapati
TI  - Vishw sankat: global warming 
SN  - 8189363166
U1  - 363.73874 
PY  - 2015///
CY  - Delhi
PB  - Akash ganga publications
KW  - Climatic changes
KW  - Global warming
KW  - Greenhouse effect
ER  -