@book { DasmultidimensionaleLernprofil,
    title = "Das multidimensionale Lernprofil",
    subtitle = "Zur Diagnostik von Lernfähigkeit",
    author = "Christoph {Paulus}",
    year = "1999",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1088711"
}