{"id":"000000068","type":"book","title":"The prehistory of southern Africa/ J. Desmond Clark.- Harmondsworth: Penguin Books.- XXV, 341 S.: 71 Ill.; 16 Taf.; 15 Ktn","author":[{"family":"Clark","given":"J. Desmond 1916-2002."}],"issued":{"raw":"1959"}}