TY  - GEN
AU  - Hutchins, Robert Maynard
TI  - Great Books of the Western World, Vol.16: Ptolemy, Copernicus, Kepler
U1  - 032 
PY  - 1952///
CY  - Chicago
PB  - William Benton
KW  - Encyclopedia
KW  - ENCYCLOPEDIC WORK
KW  - English
ER  -