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ISO/IEC 9593-1:1990
Information processing systems - Computer graphics - Programmers Hierarchical Interactive Graphics System (PHIGS) language bindings - Part 1: FORTRAN'
ISO/IEC 9592-1 specifies a language independent nucleus of a graphics system. For integration into a programming language, PHIGS is embedded in a language dependent layer obeying the particular conventions of that language. This part of ISO/IEC 9593 specifies such a language dependent layer for the FORTRAN language.
International Organization for Standardization [iso]