The TrackPad: a study on user comfort and performance (poster). - Ahmet Çakir; Gisela Çakir; Thomas Müller 019; Pieter Unema (CHI 95 Conference Companion, 1995)

The TrackPad: a study on user comfort and performance. - Ahmet Çakir; Gisela Çakir; Thomas Müller 019; Pieter Unema (CHI 95 Conference Companion, 1995)

Towards gaze-mediated interaction: Collecting solutions of the "Midas touch problem". - Boris M. Velichkovsky; Andreas Sprenger; Pieter Unema (INTERACT, 1997)

Visual fixations and level of attentional processing. - Boris M. Velichkovsky; Sascha M. Dornhoefer; Sebastian Pannasch; Pieter Unema (ETRA, 2000)