TY  - BOOK
AU  - Kumar Arun
AU  - R S Kushwaha
AU  - Baleshwar Thakur
TI  - Earth System Sciences Vol 1
SN  - 8180696138
U1  - 910.155 54 
PY  - 2009///
CY  - New Delhi
PB  - Concept Publishing Company
ER  -