@book { CurriculumPolitikundLehrerpartizipation,
    title = "Curriculum «Politik» und Lehrerpartizipation",
    author = "Heinz {Schirp}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1071802"
}