@misc{_Chwostek,,
 copyright={Creative Commons Attribution BY 4.0 license},
 howpublished={online},
 language={pol},
 title={Chwostek, mill},
 type={Text},
 URL={http://rcin.org.pl/Content/99616/PDF/WA51_125529_04643_Chwostek_mlyn_wodny.pdf},
}