@book { OnDemocracyandEducation,
    title = "On Democracy and Education",
    subtitle = "How Can Education Be Increasingly Left Up to the Students Themselves",
    author = "Robert {Weinrich}",
    year = "2006",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101671"
}