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Smith W., Ridley T. & Tarner M. (1989). The Diamond hunters. [S.l.]: Heinemann.
Smith Wilbur, Ridley Trevor and Tarner Margaret. 1989. The Diamond hunters. [S.l.]: Heinemann.
Smith W., Ridley T. and Tarner M. (1989). The Diamond hunters. [S.l.]: Heinemann.
Smith Wilbur, Ridley Trevor and Tarner Margaret. The Diamond hunters. [S.l.]: Heinemann. 1989.