TY  - BOOK
AU  - Kummel, Bernhard .
TI  - History of the Earth
U1  - 550.1 
PY  - 1961///
CY  - New Delhi
PB  - Eurasia Publishing House Pvt. Ltd.
KW  - Geology
KW  - Earth-Age
KW  - Earth-History
KW  - G-Geology
N1  - index
ER  -