TY  - BOOK
AU  - W.M.Smart
AU  - Smart,W.M.
TI  - The Origin of the Earth
U1  - B903S68f377 
PY  - 1958///
CY  - Cambridge
PB  - University Press
KW  - Astronomy-Astrophysics
KW  - Planets
KW  - Earth
ER  -