DeSIGN: an intelligent tutor to teach american sign language. - Ling Xu; Vinithra Varadharajan; Joyce Maravich; Rahul Tongia; Jack Mostow (SLaTE, 2007)

Haptic Rendering and Psychophysical Evaluation of a Virtual Three-Dimensional Helical Spring. - Vinithra Varadharajan; Roberta L. Klatzky; Bertram J. Unger; Robert H. Swendsen; Ralph L. Hollis (HAPTICS, 2008)