@misc{Gumowski_Marian_(1881-1974)_Corpus,
 author={Gumowski, Marian (1881-1974)},
 howpublished={online},
 publisher={Polska Akademia Umiejetności},
 language={pol},
 type={thesis},
 title={Corpus nummorum Poloniae. Z. 1. Monety X i XI w.},
 keywords={coins, numismatics, thesis},
}