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pro vyhledávání: '"Van Rooyen, Gerhardus Christiaan"'
M.Phil.
Coal is today providing more than seventy-five percent of South Africa's energy requirements and will, to a large extent, remain so in the future. It is thus important to evaluate the adequacy of the country's available coal resources ag
Coal is today providing more than seventy-five percent of South Africa's energy requirements and will, to a large extent, remain so in the future. It is thus important to evaluate the adequacy of the country's available coal resources ag
Externí odkaz:
http://hdl.handle.net/10210/12080
