@article{Gieszczyński_2019, title={Academic Conference: Underground Press in the People’s Republic of Poland, Olsztyn, 3-5 November 2010}, url={https://czasopisma.uwm.edu.pl/index.php/ep/article/view/3349}, number={XII}, journal={Echa Przeszłości}, author={Gieszczyński, Witold}, year={2019}, month={mar.} }