John Burkardt's IVCon page - site where you can download unmodified John Burkardt
version of IVCon, abd read about supported file formats. For every format,
John published many example files.
Adrian Bowyer and John Woodwark,
A Programmer's Geometry,
James Foley, Andries van Dam, Steven Feiner, John Hughes,
Computer Graphics, Principles and Practice,
Addison Wesley, Second Edition, 1990.
3D Systems, Inc,
Stereolithography Interface Specification,