@book { KinderExpertenihresAlltags,
    title = "Kinder – Experten ihres Alltags?",
    author = "Ulrike {Roppelt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1095377"
}