@misc{Bornstein_Benedykt_(1880-1948)_„Geometrical,
 author={Bornstein, Benedykt (1880-1948)},
 howpublished={online},
 language={eng},
 language={pol},
 type={maszynopis},
 title={„Geometrical Logic. The Structures of Thought and Space. Warszawa 1939”},
}