@book { InSachenMusikpdagogik,
    title = "In Sachen Musikpädagogik",
    author = "Stefan {Hörmann} and Bernhard {Hofmann} and Martin {Pfeffer}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096182"
}