@book { DidaktikandorCurriculum,
    title = "Didaktik and/or Curriculum",
    author = "Bjorg B. {Gundem} and Stefan {Hopmann}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    url = "https://www.peterlang.com/document/1094444"
}