@book { KooperativeJointVenturesinderEuropischenUnion,
    title = "Kooperative Joint Ventures in der Europäischen Union",
    author = "Lutz Christian {Funke}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1084855"
}