TY  - BOOK
AU  - Sagan ,Carl
ED  - 
TI  - Planets by Carl Sagan and Others
U1  - 523.4 Sag/Pla 
PY  - 1967///
CY  - Nederland
PB  - Time- Life International
KW  - Specific Celestial Bodies & Phenomena
N1  - B
ER  -