{"id":"000025931","type":"book","title":"Die Schriftsysteme der Cuna: Literatur und Schrift eines Naturvolkes.- Berlin; Heidelberg; New York","container-title":"Studium generale; 20.1967, No.9, S.574-584","author":[{"family":"Kramer","given":"Fritz W."}],"issued":{"raw":"1967"}}