TY  - BOOK
AU  - Sagan, Carl.
TI  - Planets
T2  - Life Science Library
U1  - R 523.4 L2 
PY  - 1972///
CY  - Hong Kong
PB  - Time-Life Books
KW  -  Carl Sagan, Jonathan Norton Leonard and the editors of time-life books.
KW  - Leonard, Jonathan Norton, joint author
KW  - Planets
ER  -