@misc{Sawicki_Ludwik_(1893–1972)_Osnovy_1961,
 author={Sawicki, Ludwik (1893–1972)},
 volume={18},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Moskva},
 journal={Trudy komissi po izučeniu četvertnogo perioda},
 howpublished={online},
 year={1961},
 publisher={Akademiâ Nauk SSSR},
 language={rus},
 title={Osnovy stratigrafii i kul'turnoj periodizacii paleolita v Pol'še},
 type={Text},
 URL={http://www.rcin.org.pl/iae/Content/68826/PDF/WA308_87085_B2385_Osnovy-stratigrafii_I.pdf},
 keywords={Paleolithic -- Poland, chronology of Paleolithic, stratigraphy},
}