@book { LeaverVestingundShootOutKlauseln,
    title = "Leaver-, Vesting- und Shoot-Out-Klauseln",
    author = "Christian {Hornung}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14247",
    url = "https://www.peterlang.com/document/1110668"
}