{"id":"000030715","type":"book","title":"Robertsdrift: an iron age site and settlement on the banks of the Vaal and Klip rivers near Standerton, south-eastern Transvaal.- Johannesburg","container-title":"African studies: quarterly journal; 32. 1973, no.3 , S. 183-196: 6 Ill.; 3 Tab","author":[{"family":"Derricourt","given":"Robert M."}],"issued":{"raw":"1973"}}