@misc{J._Pertek_Kriegsmarine_1966,
 author={J. Pertek},
 address={Poznań},
 year={1966},
 contents={Strona 5},
 publisher={Poznań : IZ,},
 language={pol},
 title={Kriegsmarine 1939—1945 in West German Historiography},
 type={text},
}