@book { FreiHandelnindenAmerikas,
    title = "Frei Handeln in den Amerikas",
    author = "Nadja {Gmelch} and Antje {Kopyciok} and Andreas {Meyer}",
    year = "2021",
    publisher = "Meidenbauer",
    address = ", Germany",
    url = "https://www.peterlang.com/document/1100474"
}