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Ferro-Silicon and the steel industry : Committee on Raw Materials
(1987)
A silicon foundry to service developing countries' needs : a preliminary approach ; prep. by the UNIDO Secretariat
(1984)
Workshop o regional silicon foundry and design centres in Arab countries : Report. Prep. by UNIDO Secretariat in co-operation with Economic and Social Commission for Western Africa (ESCWA)
(1986)
Arsenic : World survey of production, consumption and prices with special reference to future trends
(1973)
Feldspar and nepheline syenite : world survey of production, consumption and prices with special reference to future trends
(1972)
Kyanite, andalusite, sillimanite and allied minerals : World survey of production, consumption and prices with special reference to future trends