@misc{Mansfeld_Bogusław_(1936-_)_Ciechocinek,
 author={Mansfeld, Bogusław (1936- )},
 copyright={Mansfeld, Bogusław},
 address={Warszawa},
 howpublished={online},
 publisher={Krajowa Agencja Wydawnicza},
 language={pol},
 type={informator},
 title={Ciechocinek},
}