@book { DiezweifelhafteAbnahmefiktiondes640AbslS3BGB,
    title = "Die zweifelhafte Abnahmefiktion des § 640 Abs. l S. 3 BGB",
    author = "Christian Felix {Fischer}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-00464-9",
    url = "https://www.peterlang.com/document/1054178"
}