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- 72189903 contributor B2128146.
- 72189903 contributor B2128147.
- 72189903 created "1971.".
- 72189903 date "1971".
- 72189903 date "1971.".
- 72189903 dateCopyrighted "1971.".
- 72189903 description "Bibliography: p. 38.".
- 72189903 extent "40 p.".
- 72189903 isPartOf "South Africa. Department of Planning. Bulletin, 1.".
- 72189903 isPartOf "South Africa. Dept. of Planning. Bulletin, 1".
- 72189903 issued "1971".
- 72189903 issued "1971.".
- 72189903 language "eng".
- 72189903 publisher "[Pretoria] Dept. of Planning,".
- 72189903 spatial "South Africa.".
- 72189903 subject "338.2/0968".
- 72189903 subject "HD9506.S72 O54".
- 72189903 subject "Mineral industries South Africa.".
- 72189903 subject "Production functions (Economic theory)".
- 72189903 title "The use of bell-shaped curves in projecting long-term mineral production, by P. A. Onesta, R. O. Heckroodt [and] W. C. J. Van Rensburg.".
- 72189903 type "text".