Showing 1 - 4 results of 4 for search 'Heckroodt, R. O', query time: 0.07s Refine Results
  1. 1
    Guide to the deterioration and failure of building materials /
    by Heckroodt, R. O, Heckroodt, R. O
    Published 2002

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  2. 2
    Kaolin resources of the Republic of South Africa /
    by Heckroodt, R. O, Heckroodt, R. O
    Published 1992

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  3. 3
    Die platinumdraende dunietpyp op Driekop (Oos-Transvaal) en Die samestelling van olivien in die Bosveldstollingskompleks
    by Heckroodt, R. O
    Published 1958

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  4. 4
    The use of bell-shaped curves in projecting long-term mineral production,
    by Onesta, P. A
    Published 1971
    Other Authors: “...Heckroodt, R. O...”

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