@misc{Sawicki_Ludwik_(1893–1972)_Rysunek_1950-1951,
 author={Sawicki, Ludwik (1893–1972)},
 volume={18},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 year={1950-1951},
 language={pol},
 title={Rysunek upadu warstw 1 i 2},
 type={Text},
 URL={http://www.rcin.org.pl/Content/75664/PDF/WA308_88699_A-TA-LS-18-2_Rysunek-upadu-warstw_I.pdf},
 keywords={Zakrzówek (Cracow, Poland), regional geology -- Poland, dip of the layer, Cracow, małopolskie voivodeship (Poland)},
}