@book { WasbedeutetesPersonzusein,
    title = "Was bedeutet es, Person zu sein?",
    author = "Theodor {Rütter}",
    year = "2019",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b14701",
    url = "https://www.peterlang.com/document/1110881"
}