@book { TierealsMitgeschpfe,
    title = "Tiere als Mitgeschöpfe",
    subtitle = "Eine pädagogische Herausforderung",
    author = "Witja {Neitzel}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095605"
}