@book { MobileErreichbarkeitvonArbeitnehmern,
    title = "Mobile Erreichbarkeit von Arbeitnehmern",
    author = "Peter {Körlings}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b15670",
    url = "https://www.peterlang.com/document/1068771"
}