@misc{Mass_Konrad_(1867-1950)_Pommersche,
 author={Mass, Konrad (1867-1950)},
 howpublished={online},
 publisher={Verlag von Léon Sauniers's Buchhandlung},
 language={ger},
 type={książka},
 title={Pommersche Geschichte},
 keywords={Pomorze (region), historia},
}