@ARTICLE{Nowak_Jerzy_Z._The_2007,
 author={Nowak, Jerzy Z. and Zawilska, Jolanta B.},
 number={Nr 1 (13) 2007 Time},
 journal={ACADEMIA. The magazine of the Polish Academy of Sciences},
 pages={24-27},
 howpublished={online},
 year={2007},
 publisher={Polish Academy of Sciences},
 language={eng},
 abstract={Nature's own cycles dictate the biological rhythms of all living organisms. A key role in the complex circadian system is played by melatonin, the "hormone of darkness.},
 type={Article},
 title={The rhythm of darkness},
 URL={http://journals.pan.pl/Content/128772/PDF-MASTER/9_ACADEMIA_EN_1_13_2007_Nowak_The_rhythm.pdf},
}