TY  - BOOK
AU  - Gardner,Martin
AU  - Gardner,Martin
AU  - Schroeder,Ted
TI  - Puzzling questions about the solar system
SN  - 0486294404 (pbk.)
PY  - 1997///
CY  - Mineola, N.Y.
PB  - Dover Publications
KW  - Solar system
N1  - Rev. and enl. ed. of: Space puzzles. 1971; Includes index
ER  -