Não informado. (2000). Transactions of the Institution of Mining Engineers. Institution of Mining Engineers.
Chicago-referens (17:e uppl.)Não informado. Transactions of the Institution of Mining Engineers. Newcastle upon Tyne, Inglaterra: Institution of Mining Engineers, 2000.
MLA-referens (8:e uppl.)Não informado. Transactions of the Institution of Mining Engineers. Institution of Mining Engineers, 2000.
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