@misc{Sawicki_Ludwik_(1893–1972)_Profil, author={Sawicki, Ludwik (1893–1972)}, volume={26}, copyright={Creative Commons Attribution BY 3.0 PL license}, journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne}, howpublished={online}, language={pol}, title={Profil z Kostienek bez podpisu}, type={Text}, URL={http://www.rcin.org.pl/iae/Content/76272/PDF/WA308_88984_A-TA-LS-26-12_Profil-z-Kostienek_I.pdf}, keywords={regional geology -- Russia, Kostyonki, Voronezh Oblast (Russia)}, }