@book { Toilettengraffiti, title = "Toilettengraffiti", subtitle = "Unterschiedliche Kommunikationsverhalten von Männern und Frauen", author = "Christiane {Stumpf}", year = "2013", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/978-3-653-01976-6", url = "https://www.peterlang.com/document/1046253" }