@misc{Rubczak_Jan_(1882-1942)_Ex_[ok.,
 author={Rubczak, Jan (1882-1942)},
 address={[Krynica]},
 howpublished={online},
 year={[ok. 1935]},
 language={pol},
 title={Ex libris dr Witolda Skórczewskiego},
 type={grafika},
}