@misc{Obladen_Petrus._Filius,
 author={Obladen, Petrus.},
 howpublished={online},
 publisher={Sumptibus Joannis Baptistae Schönwetteri},
 language={lat},
 type={stary druk},
 title={Filius prodigus seu discursus in qvibvs parabola de filio prodigo a Salvatore nostro tradita explanatvr [...] / per Petrvm Obladen Coloniensem [...].},
}