@ARTICLE{Lang_Helmut_W._Two_2023,
 author={Lang, Helmut W.},
 volume={tom 40},
 journal={Pamiętnik Biblioteki Kórnickiej},
 pages={129-130},
 howpublished={online},
 year={2023},
 type={Komunikat},
 title={Two Unique Viennesse Specimens in the Collections of the Kórnik Library},
 URL={http://czasopisma.pan.pl/Content/130328/PDF-MASTER/07_Lang.pdf},
}