Taking Latitude with Ptolemy: al- Novel Geometric Model of the Motions of the Inferior Planets Glen Van Brummelen OriginalPaper 07 April 2006 Pages: 353 - 377
The Concept of Primitivity in Group Theory and the Second Memoir of Galois Peter M. Neumann OriginalPaper 25 May 2006 Pages: 379 - 429
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Novel Geometric Model of the Motions of the Inferior Planets