De Beers Industrial Diamond Division. (1960). Diamonds and stone (Conference) 1967, Gothenburg : Papers ...: Papers ... De Beers Industrial Diamond Division.
Chicago Edition CitationDe Beers Industrial Diamond Division. Diamonds and Stone (Conference) 1967, Gothenburg : Papers ...: Papers ... De Beers Industrial Diamond Division, 1960.
MLA Edition CitationDe Beers Industrial Diamond Division. Diamonds and Stone (Conference) 1967, Gothenburg : Papers ...: Papers ... De Beers Industrial Diamond Division, 1960.
Warning: These citations may not always be 100% accurate.