2011ISO/TS 10303-439:2011 Industrial automation systems and integration — Product data representation and exchange — Part 439: Application module: AP239 product life cycle support
2010ISO/TS 10303-439:2010 Industrial automation systems and integration - Product data representation and exchange - Part 439: Application module: AP239 product life cycle support
2005ISO/TS 10303-439:2005 Industrial automation systems and integration - Product data representation and exchange - Part 439: Application module: AP239 product life cycle support