@misc{Sawicki_Ludwik_(1893–1972)_Marr,
 author={Sawicki, Ludwik (1893–1972)},
 volume={63},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 language={rus},
 language={pol},
 title={Marr : Jazyk ...},
 type={Text},
 URL={http://www.rcin.org.pl/iae/Content/77591/PDF/WA308_%2091826_A-TA-LS-63-3_Marr-Jazyk_I.pdf},
 keywords={language and writing},
}