@ARTICLE{Piskorz_Joanna_Situational_2009,
 author={Piskorz, Joanna and Piskorz, Zbigniew},
 number={No 3},
 journal={Polish Psychological Bulletin},
 howpublished={online},
 year={2009},
 publisher={Committee for Psychological Science PAS},
 title={Situational Determinants of Envy and Schadenfreude},
 URL={http://journals.pan.pl/Content/107618/PDF/45.pdf},
 doi={10.2478/s10059-009-0030-2},
}