@misc{LEPIONKA_Łukasz_THE_2017-06-01,
 author={LEPIONKA Łukasz},
 howpublished={online},
 year={2017-06-01},
 title={THE TERRITORY OF CONTEMPORARY POLAND AS THE AREA OF GEOPOLITICAL COMPETITION OF POWER},
 doi={10.37055/sbn/129883},
}