@book { Mundusvetusmundusnovus,
    title = "Mundus vetus - mundus novus",
    author = "Lidia {Becker} and Christine {Felbeck} and Aline {Willems}",
    year = "2011",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1108806"
}