ISO/IEC 9592-1:1997

Information technology -- Computer graphics and image processing -- Programmer's Hierarchical Interactive Graphics System (PHIGS) -- Part 1: Functional description

ISO/IEC 9592-2:1997

Information technology -- Computer graphics and image processing -- Programmer's Hierarchical Interactive Graphics System (PHIGS) -- Part 2: Archive file format

ISO/IEC 9592-3:1997

Information technology -- Computer graphics and image processing -- Programmer's Hierarchical Interactive Graphics System (PHIGS) -- Part 3: Specification for clear-text encoding of archive file