1. 40Ar/39Ar stepheating age determinations relevant to the formation of the Vredefort Dome, South Africa;Allsopp;S. Aft. J. Sci.,1991
2. Impact-shocked zircons: Discovery of shock-induced textures reflecting increasing degrees of shock metamorphism;Bohor;Earth Planet. Sci. Lett.,1993
3. Meteorite craters and their possible relationship to Cryptovolcanic Structures;Boon;Field Lab.,1936
4. Two Carboniferous ages: a comparison of SHRIMP zircon dating with conventional zircon ages and 40Ar/39Ar analysis;Claoué-Long,1995
5. The geochronology and strontium- and lead-isotope geochemistry of the Losberg Complex and the southern limit of Bushveld Complex magmatism;Coetzee;S. Afr. J. Geol.,1989