@misc{Marceli_Nencki_(1847–1901)_List_1897,
 author={Marceli Nencki (1847–1901)},
 copyright={Rights Reserved - Free Access},
 howpublished={online},
 year={1897},
 language={pol},
 title={List Marcelego Nenckiego (1847-1901) do Leona Marchlewskiego (1869-1946) z 31.10.1897},
 type={Text},
 URL={http://www.rcin.org.pl/Content/42333/PDF/WA488_60264_Listy-Nencki-4.pdf},
 keywords={Marceli Nencki (1847-1901), Leon Marchlewski (1869-1946)},
}