@book { SchreibenindenFchern,
    title = "Schreiben in den Fächern",
    author = "Regina {Graßmann} and Stephanie {Schmitt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b18547",
    url = "https://www.peterlang.com/document/1137124"
}