TY  - GEN
AU  - Purohit, N. J. 
TI  - Earth science geology: Environment and the universe. 
SN  - 9789381991268
U1  - 550  
PY  - 2014///.
CY  - New Delhi : 
PB  - Swastik Publications, 
KW  - Mapping our world
KW  - Composition of earth
KW  - Natures of chemistry
KW  - Atmosphere
N1  - Includes Bibliography and Index.
ER  -