Three-Dimensional Widgets. - David Brookshire Conner; Scott S. Snibbe; Kenneth P. Herndon; Daniel C. Robbins; Robert C. Zeleznik; Andries van Dam (SI3D, 1992)

Using deformations to explore 3D widget design. - Scott S. Snibbe; Kenneth P. Herndon; Daniel C. Robbins; David Brookshire Conner; Andries van Dam (SIGGRAPH, 1992)

Interactive Shadows. - Kenneth P. Herndon; Robert C. Zeleznik; Daniel C. Robbins; David Brookshire Conner; Scott S. Snibbe; Andries van Dam (ACM Symposium on User Interface Software and Technology, 1992)

An interactive 3D toolkit for constructing 3D widgets. - Robert C. Zeleznik; Kenneth P. Herndon; Daniel C. Robbins; Nate Huang; Tom Meyer; Noah Parker; John F. Hughes (SIGGRAPH, 1993)

The challenges of 3D interaction. - Andries van Dam; Kenneth P. Herndon; Michael Gleicher (CHI Conference Companion, 1994)

3D Widgets for Exploratory Scientific Visualization. - Kenneth P. Herndon; Tom Meyer (ACM Symposium on User Interface Software and Technology, 1994)

The challenges of 3D interaction: a CHI '94 workshop. - Kenneth P. Herndon; Andries van Dam; Michael Gleicher (ACM SIGCHI Bull., 1994)

Aperture Based Selection for Immersive Virtual Environments. - Andrew S. Forsberg; Kenneth P. Herndon; Robert C. Zeleznik (ACM Symposium on User Interface Software and Technology, 1996)

SKETCH: an interface for sketching 3D scenes. - Robert C. Zeleznik; Kenneth P. Herndon; John F. Hughes (SIGGRAPH Courses, 2007)