@book { VonGeschenkenundanderenGaben,
    title = "Von Geschenken und anderen Gaben",
    author = "Gert {Dressel} and Gudrun {Hopf}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089440"
}