TY  - BOOK
TI  - The almagest : : on the revolutions of the heavenly spheres. On the revolutions of the heavenly spheres. Epitome of copernican astronomy : the harmonies of the world
PY  - 1987///
CY  - Chicago : 
PB  - Encyclopaedia Britannica, 
KW  - Astronomia
KW  - Copernico, Nicolas
N1  - Con: The almagest / por Ptolemy -- On the revolutions of the heavenly spheres / Nicolaus Copernicus -- Epitome of copernican astronomy : the harmonies of the world / Johannes Kepler
ER  -