@book { HybridisierungundAusdifferenzierung,
    title = "Hybridisierung und Ausdifferenzierung",
    author = "Stefan {Hauser} and Martin {Luginbühl}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0797-5",
    url = "https://www.peterlang.com/document/1053217"
}