TY  - BOOK
AU  - Sagan, Carl
AU  - Leonard, Jonathan Norton
TI  - Planets
T2  - Life science library
PY  - 1966///
CY  - New York
PB  - Time Incorporated
KW  - Astronomy and Astrophysics Thesaurus
KW  - Planetary systems
KW  - Planets
ER  -