Langenhoven, H. P.Erasmus, Christoffel Petrus Johannes2016-02-052016-02-051976-121976-122016-02-03http://hdl.handle.net/11660/2263Abstract not availableafThesis (D. Phil. (Psychology))--University of the Free State, 1976Traffic accidentsVisual perceptionTraffic safety'n Eksperimentele ondersoek na grootte- en afstandskatting met betrekking tot die verkeersituasieThesisUniversity of the Free State