TY  - BOOK
AU  - Levin, B. Y.
TI  - Origin of the earth and planets
U1  - 550 
PY  - 1958///
CY  - Moscow
PB  - Foreign Languages Publishing House
KW  - Planets
KW  - Earth
KW  - Solar system
N1  - Prof. H. Vijayatunga Collection
ER  -