1. Anorthosites;Ashwal,1993
2. Pb-isotopic evidence for the age of the Messina Layered Intrusion, central zone, Limpopo mobile belt;Barton;Spec. Publ. Geol. Soc. S. Afr.,1983
3. Partial melting of various lithologies within the central zone of the Limpopo Belt near Messina, South Africa, and its constraint on the nature of the Limpopo Orogeny;Barton,1993
4. When was the Limpopo Orogeny?;Barton;Precambrian Res.,1992
5. Rb/Sr ages and geological setting of ancient dykes in the Sand River area, Limpopo Mobile Belt, South Africa;Barton;Nature,1977