@Journal article{b1000000862391,
	author =  "Czarnecki, Jan", 
	title = "Muzycznoliteracki agon tożsamości : "Konrad Wallenrod" = Adam Mickiewicz's "Konrad Wallenrod" ("Konrad Wallenrod") : a musicoliterary agon of identities ",
	publisher = "",
    year =      ""
}