DIN SPEC 91289 [CURRENT] references following documents:

Document number Edition Title
DIN SPEC 1041 2010-05 Outsourcing of Technology driven Knowledge-Intensive Business Services More 
DIN 69901-1 2009-01 Project management - Project management systems - Part 1: Fundamentals More 
DIN 69901-2 2009-01 Project management - Project management systems - Part 2: Processes, process model More 
DIN 69901-3 2009-01 Project management - Project management systems - Part 3: Methods More 
DIN 69901-4 2009-01 Project management - Project management systems - Part 4: Data, data model More 
DIN 69901-5 2009-01 Project management - Project management systems - Part 5: Concepts More