@book { DieGratistraminitiativederProgressivenOrganisationenBaselPOB1972imKantonBaselStadt,
    title = "Die Gratistraminitiative der Progressiven Organisationen Basel (POB) 1972 im Kanton Basel-Stadt",
    author = "Michael {Moser}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836649742",
    url = "https://m.diplom.de/document/227363"
}