@misc{Breitenbach_Joannes_de_Corroboratio_[1490],
 author={Breitenbach Joannes de},
 address={[Leipzig]},
 year={[1490]},
 publisher={[Conradus Kachelofen sumpt. Joannis Schmiedhofers]},
 language={lat},
 title={Corroboratio determinationis de immaculata conceptione Virginis Mariae factae},
 type={stary druk},
}