@misc{Sawicki_Ludwik_(1893–1972)_H.,
 author={Sawicki, Ludwik (1893–1972)},
 volume={62},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={pol},
 title={H. Gros : Auf den ...},
 type={Text},
 URL={http://rcin.org.pl/Content/77570/PDF/WA308_91810_A-TA-LS-62-23_H-Gros-Auf-den_I.pdf},
 keywords={Stone Age -- Poland / Lithuania / Russia, East Prussia (Poland / Lithuania / Russia)},
}