@book { LogikfrdieMittelklassedesGymnasiumsNrnberg181011ff,
    title = "Logik für die Mittelklasse des Gymnasiums (Nürnberg 1810-11 ff)",
    author = "Helmut {Schneider} and Paolo {Giuspoli}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1091265"
}