Improving 3-D Spatial Visualization Skills with Multimedia Software. - Sheryl A. Sorby; Beverly J. Baartmans; Anne Wysocki (Eurographics (Short Presentations), 1999)

The development and assessment of multimedia software for improving 3-D spatial visualization skills. - Helena B. P. Gerson; Sheryl A. Sorby; Anne Wysocki; Beverly J. Baartmans (Comput. Appl. Eng. Educ., 2001)