@book { StefanHeymEineBibliographiezurPrimrundSekundrliteratur,
    title = "Stefan Heym. Eine Bibliographie zur Primär- und Sekundärliteratur",
    author = "Henk C. {de Wild}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1101608"
}