@misc{Regiomontanus_Ioannes_(1436-1476)_Ioannes,
 author={Regiomontanus, Ioannes (1436-1476)},
 language={lat},
 type={Inkunabuł},
 title={Ioannes REGIOMONTANUS (Müller), Kalendarium. Augsburg, Erhardus Ratdolt, 1499.},
}