Items where Author is "Ngwira, C. M. "
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Ngwira, C. M. (2009) Geomagnetically induced current characteristics in southern Africa. Masters thesis, Rhodes University.
Thompson, A.W.P. and Gaunt, C.T. and Cilliers, P. and Wild, J.A. and Opperman, B. D. L. and McKinnell, Lee-Anne and Kotze, P. and Ngwira, C. M. and Lotz, S. I. (2010) Present day challenges in understanding the geomagnetic hazard to national power grids. Advances in Space Research, 45 (9). pp. 1182-1190. ISSN 0273-1177