@misc{Sawicki_Ludwik_(1893–1972)_Skowierzyn,_1931,
 author={Sawicki, Ludwik (1893–1972)},
 volume={25},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 year={1931},
 language={pol},
 title={Skowierzyn, gm. Puławy : analiza polowa profilu wąwozu : notatka},
 type={Text},
 URL={http://rcin.org.pl/Content/76209/PDF/WA308_88968_A-TA-LS-25-20_Skowierzyn_I.pdf},
 keywords={regional geology -- Poland, Skowierzyn, Puławy county, lubelskie voivodeship (Poland)},
}