TY  - BOOK
AU  - Kumar, A.
AU  - Thakur, Baleshwar
ED  - Kushwaha, R.S.
TI  - Earth system sciences: vol.1
SN  - 8180696138
U1  - 555.4 
PY  - 2008///
CY  - New Delhi
PB  - Concept Publishing
ER  -