@ARTICLE{Pieńkowski_Andrzej_Black_2007,
 author={Pieńkowski, Andrzej},
 number={Nr 2 (14) 2007 Danger},
 journal={ACADEMIA. The magazine of the Polish Academy of Sciences},
 pages={50},
 howpublished={online},
 year={2007},
 publisher={Polish Academy of Sciences},
 language={eng},
 title={Black Magic},
 URL={http://journals.pan.pl/Content/128799/PDF-MASTER/19_ACADEMIA_2_14_2007_Pienkowski_Black.pdf},
}