The Extractive Metallurgy Industry
2007 ◽
Vol 46
(7-8)
◽
pp. 392-397
1988 ◽
Vol 66
(4)
◽
pp. 703-703
1993 ◽
Vol 40
(8)
◽
pp. 755-762
◽
1993 ◽
Vol 79
(5)
◽
pp. 537-547
◽
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