The VERITAS Facility: A Virtual Environment Platform for Human Performance Research. - Jeffrey L. Cowgill; Robert H. Gilkey; Brian D. Simpson (IFAC HMS, 2013)

Technological Considerations in the Design of Multisensory Virtual Environments: How Real Does It Need to Be? - Brian D. Simpson; Jeffrey L. Cowgill; Robert H. Gilkey; Janet M. Weisenberger (Handbook of Virtual Environments, 2nd ed., 2014)