@misc{Sawicki_Ludwik_(1893–1972)_Wyciągi_1950-1951,
 author={Sawicki, Ludwik (1893–1972)},
 volume={17},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 year={1950-1951},
 language={pol},
 title={Wyciągi z literatury do Ludwinowa},
 type={Text},
 URL={http://www.rcin.org.pl/iae/Content/75730/PDF/WA308_88690_A-TA-LS-17-6_Wyciagi-z-literatury_I.pdf},
 keywords={Ludwinów (Cracow, Poland), regional geology -- Poland, fossilized flora, Cracow, małopolskie voivodeship (Poland)},
}