@book { RegelnundkeinEnde,
    title = "Regeln und kein Ende",
    author = "Demeter Michael {Ikonomu}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0047-1",
    url = "https://www.peterlang.com/document/1052129"
}