@misc{Obracaj_Piotr_Integration,
 author={Obracaj, Piotr},
 howpublished={online},
 publisher={Wydaw. Uczelniane Uniwersytetu Technologiczno-Przyrodniczego},
 language={eng},
 type={rozdział z książki},
 title={Integration of art and technology in architecture and city planning. Visual arts and the laws of optics},
 keywords={art, optics, illusion, perception},
}