@ARTICLE{_Contents_2009,
 number={Nr 1 (21) 2009 Opposites},
 journal={ACADEMIA. The magazine of the Polish Academy of Sciences},
 howpublished={online},
 year={2009},
 publisher={Polish Academy of Sciences},
 language={eng},
 type={Contents},
 title={Contents},
 URL={http://ochroma.man.poznan.pl/Content/127984/PDF-MASTER/2_ACADEMIA_EN_1_21_2009_spis.pdf},
}