@misc{Sierpowska_Iwona_Selected,
 author={Sierpowska, Iwona},
 copyright={Copyright by Wroclaw Review of Law, Administration & Economics. University of Wroclaw. Faculty of Law, Administration and Economics},
 address={Wrocław},
 howpublished={online},
 publisher={University of Wroclaw. Faculty of Law, Administration & Economics},
 language={eng},
 title={Selected principles of social welfare in the Polish and German legal systems},
 keywords={principles of social welfare, social security system, social assistance law, principle of subsidiarity, Polish legal system, German legal system},
}