@misc{Grzelak_Małgorzata_PLANNING_2020-03-25,
 author={Grzelak Małgorzata},
 howpublished={online},
 year={2020-03-25},
 title={PLANNING RAIL TRANSPORT OF MILITARY UNITS AS AN ELEMENT OF NATIONAL SECURITY},
 doi={10.5604/01.3001.0012.9759},
}