@book { DermusikalischeWortschatzvonNotkerLabeo,
    title = "Der musikalische Wortschatz von Notker Labeo",
    author = "Martin {van Schaik}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/978-3-0351-0444-8",
    url = "https://www.peterlang.com/document/1052834"
}