Try as hard as we may for perfection, the net result of our labors is an amazing variety of imperfectness. We are surprised at our own versatility in being able to fail in so many different ways.
-- Samuel McChord Crothers
There are a large number of online resources for X3D. This page lists some of
the most important ones.
Daly, L. et al. "Introducing X3D", Tutorial, SIGGRAPH 2002, July 2002
Thorne, C. and Weiley, V. 2003. "The Next Generation of Virtual worlds with VRML, X3D and MPEG4", Tutorial, Graphite 2003 International Conference on Computer Graphics and Interactive Techniques in Australasia and South East Asia, Melbourne, Australia, February 2003.
Visualizing Information Using SVG and X3D. Geroimenko, Vladimir and Chen, Chaomei, Editors. Springer, January 2005.
Visualizing the Semantic Web: XML-based Internet and Information Visualization, "Chapter 7: SVG and X3D: New XML Technologies for 2D and 3D Visualization". Geroimenko, Vladimir and Chen, Chaomei, Editors. Springer, October 2005.