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1by Lavill, David R.“...Technical Management Unit, Resource Management and Mining, Ministry of Energy,...”
Published 1988
Book -
2by Phelps, D. J.“...Technical Management Unit, Resource Management and Mining, Ministry of Energy,...”
Published 1988
Book -
3by Manhire, D. A.“...Technical Management Unit, Research Management and Mining, Ministry of Energy,...”
Published 1988
Book