@book { Doppelgnger, title = "Doppelgänger", subtitle = "Steinmonument, Spiegelschrift und Usurpation in der russischen Literatur", author = "Alexander {Wöll}", year = "2000", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1087996" }