@ARTICLE{Lachowicz-Tabaczek_Kinga_Self-concept_2011,
 author={Lachowicz-Tabaczek, Kinga and Śniecińska, Justyna},
 number={No 1},
 howpublished={online},
 year={2011},
 publisher={Committee for Psychological Science PAS},
 title={Self-concept and self-esteem: How the content of the self-concept reveals sources and functions of self-esteem},
 URL={http://journals.pan.pl/Content/99664/PDF/05.pdf},
 doi={10.2478/v10059-011-0005-y},
}