SWIFTER: Design and evaluation of a speech-based text input metaphor for immersive virtual environments. - Sebastian Pick; Andrew S. Puika; Torsten W. Kuhlen (3DUI, 2016)

Comparison of a speech-based and a pie-menu-based interaction metaphor for application control. - Sebastian Pick; Andrew S. Puika; Torsten W. Kuhlen (VR, 2017)