HIM: a framework for haptic instant messaging. - A. F. Rovers; H. A. van Essen (CHI Extended Abstracts, 2004)

Layered Protocols Approach to Analyze Haptic Communication over a Network. - H. A. van Essen; A. F. Rovers (WHC, 2005)

FootIO – Design and Evaluation of a Device to Enable Foot Interaction over a Computer Network. - A. F. Rovers; H. A. van Essen (WHC, 2005)

Guidelines for haptic interpersonal communication applications: an exploration of foot interaction styles. - A. F. Rovers; H. A. van Essen (Virtual Real., 2006)