{"id":"000472058","type":"article","title":"Quarzitbergbau der Altsteinzeit in der Sahara","pages":"72-78","container-title":"Uni-HH-Forschung. Wissenschaftsberichte aus der Universität Hamburg, 8.1975","author":[{"family":"Ziegert","given":"H."}],"issued":{"raw":"1975"}}