@misc{Szkopek_Wiesław_Wizerunek,
 author={Szkopek, Wiesław},
 copyright={Szkopek, Wiesław},
 howpublished={online},
 language={pol},
 title={Wizerunek wiatraków na Monetach i Banknotach ; Image of windmills on Coins and Banknotes},
 keywords={młyny wietrzne, windmills decoration, wiatraki, historia wiatraków, wiatraki dekoracje, windmills, history of windmills, wind mills},
}