Mathematical Astronomy in Copernicus' De Revolutionibus : In Two Parts (Studies in the History of Mathematics and Physical Sciences) (Reprint)

" In the meantime, however, Noel Swerdlow, also starting from Greek astronomy, not only extended his work into a deep analysis of De revolu­ tionibus, but also systematically investigated its sources and predecessors (Peurbach, Regiomontanus, etc.