{"id":"000031271","type":"book","title":"Astronomische Inschriften in Piedras Negras und Naranjo","publisher":"Verlag der Akademie der Wissenschaften de Gruyter /[in Kommission]","publisher-place":"Berlin","container-title":"Abhandlungen der Preußischen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Klasse, 6, S.1, - 60","author":[{"family":"Ludendorff","given":"Hans"}],"issued":{"raw":"1940"}}