@book { ZeroHours,
    title = "Zero Hours",
    author = "Hagen {Schulz-Forberg}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Bruxelles, Belgium",
    doi = "10.3726/978-3-0352-6363-3",
    url = "https://www.peterlang.com/document/1053770"
}