@book { UrheberrechtlicheLizenzeninnationalerundinternationalerInsolvenz,
    title = "Urheberrechtliche Lizenzen in nationaler und internationaler Insolvenz",
    author = "Christoffer {Bortz}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01825-7",
    url = "https://www.peterlang.com/document/1046940"
}