@book { StrategischesManagementvonKoopetition,
    title = "Strategisches Management von Koopetition",
    author = "Thomas {Herzog}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01073-2",
    url = "https://www.peterlang.com/document/1067391"
}