TY  - BOOK
AU  - Whipple, Fred L.
TI  - Earth, moon and planets
T2  - The Harvard books on astronomy
PY  - 1947///
CY  - Philadelphia
PB  - The Blakiston
KW  - Astronomy and Astrophysics Thesaurus
KW  - Earth
KW  - Planetary Systems
KW  - Planets
ER  -