@book { berfachlicheKompetenzen,
    title = "Überfachliche Kompetenzen",
    subtitle = "Theoretische Grundlegung und empirische Erprobung eines Indikatorensystems",
    author = "Urs {Grob} and Katharina {Maag Merki}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1092929"
}