@book { DiegeheimenMchtehinterderRechtschreibungLortografiaeisuoipoteriforti,
    title = "Die geheimen Mächte hinter der Rechtschreibung- L’ortografia e i suoi poteri forti",
    author = "Frederico {Biddau}",
    year = "2013",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-03722-7",
    url = "https://www.peterlang.com/document/1047003"
}