The Continuous Zoom: A Constrained Fisheye Technique for Viewing and Navigating Large Information Spaces. - Lyn Bartram; Albert Ho; John Dill; Frank Henigman (ACM Symposium on User Interface Software and Technology, 1995)

Assembling Virtual Fixtures for Guidance in Training Environments. - Alex B. Kuang; Shahram Payandeh; Bin Zheng; Frank Henigman; Christine L. MacKenzie (HAPTICS, 2004)