TY  - BOOK
AU  - Whipple,Fred L.
TI  - Orbiting the sun: planets and satellites of the solar system 
T2  - The Harvard books on astronomy
SN  - 0674641264
AV  - QB601 .W6 1981
U1  - 523.2 19
PY  - 1981///
CY  - Cambridge, Mass.
PB  - Harvard University Press
KW  - Planets
KW  - Earth
KW  - Moon
N1  - "A new and enlarged edition of Earth, moon, and planets."; Includes index
ER  -