TY  - BOOK
AU  - Ptolemy,c.100-178
AU  - Kepler,Johannes
AU  - Copérnico,Nicolás
AU  - Hutchins,Robert Maynard
TI  - The almagest / by Ptolemy. On the revolutions of the heavenly spheres / by Nicolaus Copernicus. Epitome of Copernican astronomy: IV and V. The harmonies of the world
T2  - Great books of the Western world
AV  - PN 6012 G74.v.16
PY  - 1952///
CY  - Chicago
PB  - Encyclopaedia Britannica
KW  - Astronomy, Ancient
KW  - Astronomía antigua
ER  -