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- [22] DISTRIBUTION OF ZINC IN KIMBERLITES OF SOUTH-AFRICA AND SIBERIA DOKLADY AKADEMII NAUK SSSR, 1986, 291 (04): : 972 - 974
- [27] TRENDS IN THE DISTRIBUTION OF MEDICAL MANPOWER IN SOUTH-AFRICA SOUTH AFRICAN MEDICAL JOURNAL, 1980, 57 (20): : 819 - 823
- [28] SOUTH-AFRICA AND NAVAL STRATEGY - IMPORTANCE OF SOUTH-AFRICA ROUND TABLE, 1970, (239): : 303 - 309