TY  - BOOK
AU  - Smart,W.M.
TI  - The origin of the earth
T2  - Pelican books
U1  - 523.12 18
PY  - 1959///
CY  - Harmondsworth
PB  - Penguin
KW  - Earth (Planet)
KW  - Origin
N1  - Previous ed. 1955; Includes index
ER  -