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[1] Luc Rombouts. Growing intercst. Mining Journal, 1997, 329(8452)
[2] James Picton. De Beers' place in the sun. Mining Journal,1997, 329(8452)
[3] Marcel Prumer. 1997 Yo-Yo of a year. Mining Journal, 1997,329 (8452)
[4] Jobn Bristow. New dimensions. Mining Journal, 1997, 329(8452)
[5] Carl Rearson. A global perspective. Mining Journal, 1997,329 (8452)
[6] John Mill. Russian scene. Mining Journal, 1997, 329 (8452)
[7] De Beers CSO. In-sight. Spring 1998
[8] De Beers CSO. Industry outlook clearer by March. Insight,Autumn 1998
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