@misc{Sawicki_Ludwik_(1893–1972)_Materiały_1947,
 author={Sawicki, Ludwik (1893–1972)},
 volume={85},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 year={1947},
 language={pol},
 title={Materiały obce},
 type={Text},
 keywords={regional natural environment -- Ukraine, Volhynia (Ukraine)},
}