Johannes Petreius (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Johannes Petreius" in English language version.

refsWebsite

Global rank English rank

2books.google.com

3^rd place

3^rd place

books.google.com

Edward Rosen: Three Copernican Treatises: The Commentariolus of Copernicus, The Letter Against Werner, The Narratio Prima of Rheticus, Courier Dover Publications, 2004 ISBN 0-486-43605-5, p. 24
Arthur Koestler: The Sleepwalkers p. 169