@misc{Koeppen_Arnold_[Red.]_Unser,
 author={Koeppen, Arnold [Red.]},
 howpublished={online},
 publisher={Pommern-Verlag Max Mallin},
 language={ger},
 type={czasopismo},
 title={Unser Pommerland 1919},
 keywords={Pomorze - historia, Pomorze - sztuka},
}