@misc{Zweiffel_Maciej_Problem_2006,
 author={Zweiffel, Maciej},
 number={1},
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 howpublished={online},
 year={2006},
 publisher={Instytut Badań Literackich Polskiej Akademii Nauk},
 language={pol},
 language={eng},
 title={Problem tzw. poezji konkretnej},
 type={Text},
 URL={http://rcin.org.pl/Content/116604/PDF/WA248_88344_P-I-2524_zweiffel-problem_o.pdf},
 keywords={concrete poetry, linguistic medium of poetry, vehicles of sign},
}