Andy Yeh. VRMath: knowledge construction of 3D geometry in virtual reality microworlds. In Elizabeth Dykstra-Erickson, Manfred Tscheligi, editors, Extended abstracts of the 2004 Conference on Human Factors in Computing Systems, CHI 2004, Vienna, Austria, April 24 - 29, 2004. pages 1061-1062, ACM, 2004. [doi]
Abstract is missing.