@book { JedesKindkannstarksein,
    title = "Jedes Kind kann stark sein",
    author = "Andrea {Micus} and Günther {Hoppe}",
    year = "2012",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403345"
}