Arnott, Frank Walter2014-10-152014-10-152014-10-15http://hdl.handle.net/10539/15737Thesis (M.Sc.)--University of the Witwatersrand, Faculty of Science, 1981.enSeismicity in the Welkom Area, O.F.S. (with special reference to the origin of the 1976-12-8 event)Thesis