Browsing by Author "de Villiers, M G"
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- ItemOpen AccessCape Town brown haze study summary of publicity(1997) de Villiers, M G
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- ItemOpen AccessMethodology for the establishment of a subsidised national energy audit scheme. Part 3/3: Energy use in the South African clay brick industry(1996) Hibberd, A C M; de Villiers, M G; Dukiewicz, R K