@ARTICLE{Nowak_Krzysztof_Composite_2010,
 author={Nowak, Krzysztof and Duda, Tomasz},
 number={No 4},
 journal={Polish Psychological Bulletin},
 howpublished={online},
 year={2010},
 publisher={Committee for Psychological Science PAS},
 title={Composite Structure of Personal Networks, Age, and Well-being in Poland},
 URL={http://www.czasopisma.pan.pl/Content/99659/PDF/07.pdf},
 doi={10.2478/v10059-010-0023-1},
}