@book { DasvorinsolvenzlicheSanierungsverfahren,
    title = "Das vorinsolvenzliche Sanierungsverfahren",
    author = "Konrad-Tassilo {Heßel}",
    year = "2016",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-06962-4",
    url = "https://www.peterlang.com/document/1050588"
}