@book { ErikaandKlausMann,
    title = "Erika and Klaus Mann",
    author = "Beverley Driver {Eddy}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/b13111",
    url = "https://www.peterlang.com/document/1055714"
}