1. The geochemistry of selected base metal gossans, Southern Africa;Andrew;J. Geochem. Explor.,1984
2. Conceptual models in exploration geochemistry — The Canadian Cordillera and Canadian Shield;Bradshaw;J. Geochem. Explor.,1975
3. Dispersion of copper and associated trace elements in a Kalahari Sand environment, Northwest Zambia;Brown,1970
4. Climatic Geomorphology;Budel,1982
5. Lead-zinc deposits of the Coast Province of Kenya and some exploration guidelines;Bugg,1982