1. Geochronological studies on Archaean and Proterozoic formations of the Foreland of the Namaqua Front and possible correlations on the Kaapvaal Craton;Armstrong,1987
2. The chemical compositions, RbSr isotopic systematics and tectonic setting of certain post-kinematic mafic igneous rocks, Limpopo mobile belt, southern Africa;Barton;Precambrian Research,1979
3. Constraints on the nature of the Proterozoic juxtaposing of the Central Zone of the Limpopo Belt with the Southern Marginal Zone and Kaapvaal Craton in the northern Transvaal;Barton,1995
4. Geochronological studies in the southern marginal zone of the Limpopo mobile belt, southern Africa;Barton;Special Publication Geological Society South Africa,1983
5. RbSr and UThPb isotopic studies of the Sand River Gneisses, central zone, Limpopo mobile belt;Barton;Special Publication Geological Society South Africa,1983