@misc{_Wielka,
 howpublished={online},
 language={pol},
 title={Wielka Księga Balu Charytatywnego Prezydenta Miasta Słupska},
 type={commemorative book},
 keywords={Commemorative book, Office of the city (Slupsk), Occasional parties - 21th century, Slupsk (Pomeranian) - culture - 21 century},
}