@misc{Zajdel_Krzysztof_Introduction,
 author={Zajdel, Krzysztof and Truhlářová, Zuzana and Mitlöhner, Miroslav and Prokosz, Małgorzata and Levická, Jana and Borecka-Biernat, Danuta},
 copyright={Copyright by authors (text)},
 address={Wrocław},
 howpublished={online},
 publisher={Wydawnictwo Apis},
 language={eng},
 title={Introduction},
 keywords={social problems, contemporary families},
}