@misc{Sawicki_Ludwik_(1893–1972)_Rumin,
 author={Sawicki, Ludwik (1893–1972)},
 volume={44},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={pol},
 title={Rumin koło Konina},
 type={Text},
 URL={http://www.rcin.org.pl/Content/77010/PDF/WA308_90045_A-TA-LS-44-1_Rumin-kolo-Konina_I.pdf},
 keywords={geology of the site, Rumin, Stare Miasto commune, Konin county, wielkopolskie voivodeship (Poland)},
}