@misc{Summenhart_Conrad_(1455-1502)_Tractatulus,
 author={Summenhart, Conrad (1455-1502)},
 howpublished={online},
 publisher={Heinrich Gran},
 publisher={Johann Rynmann},
 language={lat},
 title={Tractatulus bipartitus de decimis},
 type={inkunabuł},
}