@book { SchutzderTestierfreiheitvonPflegeempfngern,
    title = "Schutz der Testierfreiheit von Pflegeempfängern",
    author = "Michael {Stein}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086355"
}