{"id":"000406870","type":"article","title":"Felszeichungen in Tibesti (Tschad) und Klimaänderungen in der Ost-Sahara","pages":"64-83","container-title":"Praehistorische Zeitschrift, 61.1986","author":[{"family":"Ronneseth","given":"O."}],"issued":{"raw":"1986"}}