TY  - BOOK
AU  - Ptolemy; Copernicus; Kepler
AU  - Hutchins, Robert Maynard, Editor in Chief
TI  - Ptolemy, Copernicus, Kepler
SN  - 0852291639
PY  - 1952///
CY  - Lake Region, HS
PB  - Encyclopedia Britanica
N1  - D., 10/01; The Almagest by Ptolemy (Claudius Ptolemaeus)
Introduction, Symbols and Abbreviations a Short Bibliography to Copernicus and Kepler
On the Revolutions of the Heavenly Spheres by Nicolaus Copericus
Epitome of Copernican Astronomy: IV and V and the Harmonies of the World V by Johannes Kepler

ER  -