@misc{Jerzy_Pertek_Materiały_1954,
 author={Jerzy Pertek},
 address={Poznań},
 year={1954},
 contents={Strona 415-434},
 publisher={Poznań : IZ,},
 language={pol},
 title={Materiały – flota Polska w Wismarze (1629-1632)},
 type={text},
}