1. RTC A, “DO-178B-Software Considerations in Airborne Systems and Equipment Certification”, URL
http://www.rtca.org
2. UK Ministry of Defence, “Requirements for Safety Related Software in Defence Equipment”, Def Stan 00-55.
3. Dr. C. H. Pygott, “A Comparison of Avionics Standards”, DERA/CIS3/TR990319/1.0, British Crown Copyright 2000.
4. “Guidance for Use of Ada in High Integrity Systems”, ISO/IEC TR 15942.
5. Ted Baker and Tullio Vardanega, “Session Summary: Tasking Profiles”, Ada Letters September-October 1997, Vol. XVII, Number 5, pages 5–7.