@book { DerfranzsischeREIT,
    title = "Der französische REIT",
    author = "Sascha {Kaiser}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01299-6",
    url = "https://www.peterlang.com/document/1045808"
}