ISO/IEC 8613-10:1991/Amd.4:1992 Information processing; text and office systems; Office Document Architecture (ODA) and interchange format; part 10: formal specifications; amendment 4: formal specification of the geometric graphics content architectures
Information processing; text and office systems; Office Document Architecture (ODA) and interchange format; part 10: formal specifications; amendment 4: formal specification of the geometric graphics content architectures