TY  - BOOK
AU  - Whipple,Fred L.
TI  - Earth, moon, and planets
SN  - 0674224000
U1  - 523.4 
PY  - 1970///, c1968]
CY  - Cambridge, Mass.
PB  - Harvard University Press
KW  - Planets
KW  - Earth
KW  - Moon
N1  - Bibliography: p. [284]-285
UR  - http://www.archive.org/details/earthmoonplanets00whip
UR  - http://www.openlibrary.org/books/OL24369341M
ER  -