Real Walking Increases Simulator Sickness in Navigationally Complex Virtual Environments. - Evan A. Suma; Samantha L. Finkelstein; Myra Reid; Amy Catherine Ulinski; Larry F. Hodges (VR, 2009)

Evaluation of the Cognitive Effects of Travel Technique in Complex Real and Virtual Environments. - Evan A. Suma; Samantha L. Finkelstein; Myra Reid; Sabarish V. Babu; Amy Catherine Ulinski; Larry F. Hodges (IEEE Trans. Vis. Comput. Graph., 2010)