1. (INCOSE 2011a) INCOSE (2011a) SE tools database (http://www.incose.org/ProductsPubs/products/toolsdatabase.aspx [last visited 2011-04-14])
2. (INCOSE 2011b) INCOSE (2011b), Survey of Model-Based Systems Engineering (MBSE) Methodologies, INCOSE-TD-2007-003-01, Version/Revision: B, 10 June 2008
3. (INCOSE 2011c) INCOSE (2011c), System Engineering (SE) Handbook Working Group, System Engineering Handbook, A Guide For System Life Cycle Processes And Activities Version 3.2.1, INCOSE TP 2003 002 03.2.
4. (NASA 2007) NASA Systems Engineering Hand Book, NASA/SP-2007-6105, Revision 1, ISBN : 978-0-16-079747-7, December 2007
5. (AERO 2005) RG AERO 000 77 : Programme management - Guide for the management of Systems Engineering, 2005