@misc{_Europa_2016,
 volume={31},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 journal={Europa XXI},
 howpublished={online},
 year={2016},
 publisher={IGiPZ PAN},
 language={eng},
 title={Europa XXI 31 (2016)},
 type={Text},
}