TY  - BOOK
AU  - Mortimer J.Adler
ED  - Encyclopedia Britannica Inc
TI  - Great books of the western world  vol.15: ptolemy,copernicus,kepler
SN  - 0852295316
U1  - 080 
PY  - 1994///
CY  - Chicago
PB  - Encyclopedia Britannica Inc
ER  -