Bester, C.J.; Grobler, G.F.; Southern African Transport Conference (32nd : 2013 : Pretoria, South Africa); Minister of Transport, South Africa; Behrens, Roger; Cameron, Bill; Froschauer, Pauline
(July 2013)
Paper presented at the 32nd Annual Southern African Transport Conference 8-11 July 2013 "Transport and Sustainable Infrastructure", CSIR International Convention Centre, Pretoria, South Africa.