@book { InsolvenzbewltigungdurchOptionen,
    title = "Insolvenzbewältigung durch Optionen?",
    author = "Mark {Hinrichs}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1094406"
}