@book { Alsdaswissenddiemeisterwol,
    title = "Als das wissend die meister wol",
    author = "Martin {Ehrenfeuchter} and Thomas {Ehlen}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1089574"
}