@book{ title = "Elementa arithmetices, algorithmus de numeris integris, fractis, regulis communibus et de proporcionibus", author = "Peuerbach, Georg von", year = "1536", publisher = "", language = "lat", howpublished = "print", keywords = "Mathematik", note = "Sondert", note = "Bibliograph. Nachweis: VD 16 P 2049", }