Będźmirowski J, Gac M. Military Security in the Baltic Sea during Cold War: Analysis Based on the Materials of the Naval Reconnaissance Unit of the Polish People’s Republic . HiP [Internet]. 15 listopad 2023 [cytowane 19 wrzesień 2024];(46 (53):85-104. Dostępne na: https://apcz.umk.pl/HiP/article/view/46940