@book { DerEntherrschungsvertrag,
    title = "Der Entherrschungsvertrag",
    author = "Tobias {Hamm}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11105",
    url = "https://www.peterlang.com/document/1109885"
}