2018KS X ISO/IEC 19776-1:2018 Information technology — Computer graphics, image processing and environmental data representation — Extensible 3D(X3D) encodings — Part 1: Extensible Markup Language(XML) encoding
2007KS X ISO/IEC 19776-1:2007 Information technology-Computer graphics, image processing and environmental data representation-Extensible 3D(X3D) encodings-Part 1:XML encoding