The Xj3D browser: community-based 3D software development. - Alan D. Hudson; Justin Couch; Stephen N. Matsuba (SIGGRAPH Abstracts and Applications, 2002)

An introduction to the Xj3D toolkit. - Alan D. Hudson (Web3D, 2003)

The rigid body physics component: a proposed amendment to the X3D specification. - Stephen N. Matsuba; Alan D. Hudson; Justin Couch (SIGGRAPH Web Program, 2005)

MedX3D: Standards Enabled Desktop Medical 3D. - N. W. John; Michael Aratow; Justin Couch; Daniel Evestedt; Alan D. Hudson; Nicholas F. Polys; R. F. Puk; A. Ray; K. Victor; Q. Wang (MMVR, 2008)