Steyn, Wynand Jacobus Van der Merwe; Mahoney, J.P.; Muench, S.T.; White, G.T. (Gary); Southern African Transport Conference (28th : 2009 : Pretoria, South Africa)
(Document Transformation Technologies, 2009-07-06)
Paper presented at the 28th Annual Southern African Transport Conference 6 - 9 July 2009 "Sustainable Transport", CSIR International Convention Centre, Pretoria, South Africa.