@ARTICLE{_Editorial_2009,
 number={Nr 1 (21) 2009 Opposites},
 journal={ACADEMIA. The magazine of the Polish Academy of Sciences},
 pages={3},
 howpublished={online},
 year={2009},
 publisher={Polish Academy of Sciences},
 language={eng},
 type={Editorial},
 title={Editorial},
 URL={http://journals.pan.pl/Content/127985/PDF-MASTER/3_ACADEMIA_EN_1_21_2009_Editorial_Pro.pdf},
}