1. International Organization for Standardization CGI/Fortran binding ISO/WD ISO TC97/SC21 N1838
2. International Organization for Standardization Computer Graphics Interface (CGI) ISO/DP 9636
3. Experience with implementing GKS on a Perq and other computers;Gallop;Comput. & Graph.,1985
4. International Organization for Standardization GKS-3D ISO/DIS 8805
5. International Organization for Standardization GKS-3D Fortran binding ISO/DP 8806/1