1. http://www.sebokwiki.org/wiki/Guide_to_the_Systems_Engineering_Body_of_Knowledge_(SEBoK)
2. http://www.omgsysml.org/SLIM_for_MBSE_Bajaj_Part1.pdf
3. http://www.omgsysml.org/SLIM_for_MBSE_Bajaj_Part2.pdf
4. www.intercax.com/slim
5. http://www.json.org/