TY  - GEN
AU  - K.N. Prasad
TI  - An Introduction to Earth science
SN  - 0706986296
U1  - 550 
PY  - 1994///
CY  - New Delhi

PB  - Vikas Publications
KW  - Earth origin
KW  - Earth sciences
KW  - age rock
KW  - evoluation of flora
KW  - introduction to EarthSciences
ER  -