@misc{Zajdel_Krzysztof_Large,
 author={Zajdel, Krzysztof},
 copyright={Copyright by Krzysztof Zajdel, Małgorzata Prokosz},
 address={Wrocław},
 howpublished={online},
 publisher={Wydawnictwo Apis},
 language={eng},
 title={Large families in the social structure - problems ans possibilities of support},
 keywords={large families, children, support, Poland},
}