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Clear, easy reading : The economic definition of ore cut-off grades in theory and practice Kenneth F. Lane Mining Journal Books Ltd, London, 1988, 149pp
Alred Petrick JrVolume:
15
Année:
1989
Langue:
english
Pages:
2
DOI:
10.1016/0301-4207(89)90008-1
Fichier:
PDF, 265 KB
english, 1989