@book { ShermanundderNASAAuftrag,
    title = "Sherman und der NASA-Auftrag",
    author = "W. K. {Giesa}",
    year = "2020",
    publisher = "Uksak E-Books",
    address = "Lengerich, Germany",
    url = "https://uksakebooks.grin.com/document/541951"
}