Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Importance of gypsum; world-production statistics; wide distribution of gypsum in South Africa; cheap mining methods; uses of gypsum; probable origin of gypsum deposits. Before Chem Met and Min Soc S Africa.
Importance of gypsum; world-production statistics; wide distribution of gypsum in South Africa; cheap mining methods; uses of gypsum; probable origin of gypsum deposits. Before Chem Met and Min Soc S Africa.
South Africa's resources in Gypsum
Min Indus Mag
Marquard, J.D. (Autor:in)
1932
Aufsatz (Zeitschrift)
Englisch
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