@misc{Guzik_Janusz_Studies_1990,
 author={Guzik, Janusz},
 editor={Zarzycki, Kazimierz (1930- ). Redaktor},
 editor={Korzeniak, Urszula. Redaktor},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Kraków},
 journal={Polish Botanical Studies. Guidebook Series},
 howpublished={online},
 year={1990},
 publisher={Polish Academy of Sciences, W. Szafer Institute of Botany},
 language={eng},
 title={Studies on the distribution of some synanthropic plants in Poland},
 type={Text},
 URL={http://rcin.org.pl/Content/217297/PDF/KR171_253316_ResProgRep1988-90_Guzik-Studies-distribution.pdf},
}