Gingerich, Owen. The book nobody read: chasing the revolutions of Nicolaus Copernicus / Owen Gingerich . - New York : Walker & Company, 2004 . - xii, 306 p. ill., map. 21. К.: Бібліогр. : c. 281-288, Index ISBN: 0-8027-1415-3 Subjects--Personal Names: Copernicus, Nicolaus 1473-1543