The benefits of immersion for spatial understanding of complex underground cave systems. - Philip Schuchardt; Doug A. Bowman (VRST, 2007)

Studying the Effects of Stereo, Head Tracking, and Field of Regard on a Small-Scale Spatial Judgment Task. - Eric D. Ragan; Regis Kopper; Philip Schuchardt; Doug A. Bowman (IEEE Trans. Vis. Comput. Graph., 2013)