@book { CarlMenger, title = "Carl Menger", subtitle = "Neu erörtert unter Einbeziehung nachgelassener Texte- Discussed on the Basis of New Findings", author = "Gilles {Campagnolo}", year = "2008", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1104652" }