1. Age and degree of metamorphism and time of nappe emplacement along the southern margin of the Damara Orogen (Namibia/SW-Africa);Ahrendt;Geologische Rundschau,1977
2. KAr age determinations from the northern Damara branch and their implications for the structural evolution of the northern Damara Orogen, South West Africa/Namibia;Ahrendt;Special Publication Geological Society of South Africa,1983
3. Radioactive ages of micas from granitic rocks by RbSr and KAr methods;Aldrich;Transactions American Geophysical Union,1958
4. Isotopic age determinations on the Cape Granite and intruded Malmesbury sediments, Cape Peninsula, South Africa;Allsopp;Geochimica et Cosmochimica Acta,1965
5. RbSr and UPb geochronology of late Precambrian-early Palaeozoic igneous activity in the Richtersveld (South Africa) and southern South West Africa;Allsopp;Transactions Geological Society of South Africa,1979