@Book chapter{b1000002705567,
	author =  "Friedrich, Michał", 
	title = "Wielość masek w "Masce" Stanisława Lema : źródła, konteksty, powinowactwa = The variety of masks in "The mask" by Stanisław Lem : origins, contexts, affinities ",
	publisher = "",
    year =      ""
}