Gavin Bell, Anthony Parisi, and Mark Pesce. Vrml the virtual reality modeling language: Version 1.0 specification. http://www.web3d.org/standards, May 26 1995.

Jed Hartman and Josie Wernecke. The VRML 2.0 Handbook: Building Moving Worlds on the Web. Addison-Wesley, 1996.

L. Kettner. Using generic programming for designing a data structure for polyhedral surfaces. Comput. Geom. Theory Appl., 13:65–90, 1999.

Leif Kobbelt. sqrt 3-subdivision. In Computer Graphics (Proc. SIGGRAPH '00), volume 34, pages 103–112, 2000.

Mark Phillips. Geomview Manual, Version 1.6.1 for Unix Workstations. The Geometry Center, University of Minnesota, 1996.

The virtual reality modeling language specification: Version 2.0, ISO/IEC CD 14772, December 1997.

Josie Wernicke. The Inventor Mentor: Programming Object-Oriented 3D Graphics with Open Inventor, Release 2. Addison-Wesley, 1994.