@misc{Sawicki_Ludwik_(1893–1972)_Fotografie,
 author={Sawicki, Ludwik (1893–1972)},
 volume={52},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={pol},
 title={Fotografie},
 type={Text},
 URL={http://rcin.org.pl/Content/76372/PDF/WA308_90527_A-TA-LS-52-4_Fotografie_I.pdf},
 keywords={geological investigation, Chwalibogowice, Opatowiec commune, Kazimierza Wielka county, świętokrzyskie voivodeship (Poland)},
}