@misc{Witkiewicz_Stanisław_Ignacy._Witkacy_(1885-1939)_Portrait,
 author={Witkiewicz, Stanisław, Ignacy. Witkacy (1885-1939)},
 howpublished={online},
 title={Portrait Michał Białynicki-Birula's [1]},
 type={picture},
 keywords={Art - 20th century, Polish drawing - theme - 20-th Century, Polish portraits - 20-th Century},
}