@misc{Sawicki_Ludwik_(1893–1972)_Listy_1955-1956,
 author={Sawicki, Ludwik (1893–1972)},
 volume={71},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 journal={Spuścizna prof. Ludwika Sawickiego : teczki archiwalne},
 howpublished={online},
 year={1955-1956},
 language={pol},
 title={Listy studentów 1955-1956, protokoły egzaminów},
 type={Text},
 keywords={Warsaw University. Department of Geology, students of geology, geological education -- exams},
}