@ARTICLE{_Contents_2006,
 number={Nr 4 (12) 2006 Richness},
 journal={ACADEMIA. The magazine of the Polish Academy of Sciences},
 howpublished={online},
 year={2006},
 publisher={Polish Academy of Sciences},
 language={eng},
 type={Contents},
 title={Contents},
 URL={http://czasopisma.pan.pl/Content/129147/PDF-MASTER/2_ACADEMIA_EN_4_12_2006_spis.pdf},
}