SS-ISO/IEC-29500-1 Complete Document History
Information technology - Document description and processing languages - Office Open XML File Formats - Part 1: Fundamentals and Markup Language Reference (ISO/IEC 29500-1:2011, IDT)

Complete Current Edition:
   2011 EDITION - ENGLISH LANGUAGE EDITION - Dec. 12, 2011

Obsolete Revision Information:
   2009 EDITION - ENGLISH LANGUAGE EDITION - Jan. 19, 2009