Tutorial: a tool for teaching graphics programming. - Michael J. Papper; Michael A. Gigante (CHI Posters and Short Talks, 1992)

Using Physical Constraints in a Virtual Environment. - Michael J. Papper; Michael A. Gigante (Virtual Reality Systems, 1993)

Using Gestures to Control a Virtual Arm. - Michael J. Papper; Michael A. Gigante (Virtual Reality Systems, 1993)