Reducing Error Rates with Low-Cost Haptic Feedback in Virtual Reality-Based Training Applications. - Li Jiang; Rohit Girotra; Mark R. Cutkosky; Chris Ullrich (WHC, 2005)

Perceived Strength of Lateral Acceleration Display for Touchscreen Emulation of Mechanical Switch Transients. - Chris Ullrich; Manuel Cruz (EuroHaptics, 2008)

The 'haptics' Top-Level Media Type. - Yeshwant K. Muthusamy; Chris Ullrich (RFC, 2025)