Virtual Environments for Treating the Fear of Heights. - Larry F. Hodges; Rob Kooper; Thomas C. Meyer; Barbara O. Rothbaum; Dan Opdyke; Johannes J. de Graaff; James S. Williford; Max M. North (Computer, 1995)

A Virtual Airplane for Fear of Flying Therapy. - Larry F. Hodges; Benjamin Watson 001; G. Drew Kessler; Dan Opdyke; Barbara O. Rothbaum (VRAIS, 1996)

Virtually conquering fear of flying. - Larry F. Hodges; Benjamin Watson 001; G. Drew Kessler; Barbara O. Rothbaum; Dan Opdyke (IEEE Computer Graphics and Applications, 1996)