Bibliografía (12 obras)
Redistribution and affirmative action
1992
Truth be in the field
1990
South African perspectives
1989
Operating gold mines and gold recovery plants in the Republic of South Africa
1985
Bibliography of South West African/Namibian earth science
1983
Suid-Afrika
1978
Quislings or realists?
Salt in the Republic of South Africa
1974
The pegmatites of the Kenhardt and Gordonia Districts, Cape Province
1969
The Evander gas-field
1964
Helium in the Orange Free State gold-field
1963
The allanite deposits on Vrede, Gordonia District, Cape Province
1961