@book { DieEntwicklungderVerfassungslehreinderWeimarerRepublik,
    title = "Die Entwicklung der Verfassungslehre in der Weimarer Republik",
    author = "Petra {Otto}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1092601"
}