@book { LawPoliticsandtheConstitution,
    title = "Law, Politics, and the Constitution",
    author = "Antonia {Geisler} and Michael {Hein} and Siri {Hummel}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04686-1",
    url = "https://www.peterlang.com/document/1048721"
}