@misc{Apianus_Petrus_(1495–1552)_Horoscopion,
 author={Apianus, Petrus (1495–1552)},
 address={(Ingolostadii)},
 howpublished={online},
 publisher={[s.n.]},
 language={lat},
 title={Horoscopion Apiani generale dignoscendis horis cuiuscumque generis aptissimum [...].},
 keywords={16 w., Kolekcje Piastowskie, astrologia, Bibliotheca Rudolphina},
}