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Computus nouus & ecclesiasticus: totius fere astronomie fundamentum pulcherrimum continens. Clerico non minus vtilis quam necessarius: cum additionibus quibusdam nouiter apressis

出版	in edibus Petri Liechtenstein, 1519
URL	http://books.google.com.hk/books?id=mfZUFjahUEMC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN