Matthew West and Julian Fowler (1999). Developing High Quality Data Models보관됨 12월 21, 2008 - 웨이백 머신. The European Process Industries STEP Technical Liaison Executive (EPISTLE).
Matthew West and Julian Fowler (1999). Developing High Quality Data Models보관됨 12월 21, 2008 - 웨이백 머신. The European Process Industries STEP Technical Liaison Executive (EPISTLE).