@book { DerFreiheitsbegriffbeiKant,
    title = "Der Freiheitsbegriff bei Kant",
    author = "Igor {Nowikow}",
    year = "2014",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-04362-4",
    url = "https://www.peterlang.com/document/1129803"
}