@book { ZurBindungswirkungdesGemeinschaftlichenTestaments,
    title = "Zur Bindungswirkung des Gemeinschaftlichen Testaments",
    author = "Torsten {Schaumann}",
    year = "2002",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093743"
}