@misc{Sawicki_Ludwik_(1893–1972)_Dereźnica,_1925,
 author={Sawicki, Ludwik (1893–1972)},
 volume={60},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 year={1925},
 language={pol},
 title={Dereźnica, powiat lidzki},
 type={Text},
 URL={http://www.rcin.org.pl/iae/Content/77397/PDF/WA308_91472_A-TA-LS-60-20_Dereznica_I.pdf},
 keywords={archaeological sites -- Belarus, Dereźnica, Lida district, Grodno oblast (Belarus)},
}