1. DO-178B guidelines. Available from:
http://www.rtca.org/
2. Simulink web page:
http://www.mathworks.com/products/simulink/
3. Stateflow web page:
http://www.mathworks.com/products/stateflow/
4. NuSMV web page:
http://nusmv.irst.itc.it/
5. Embedded Validator web page:
http://www.dspaceinc.com/ww/en/inc/home/products/sw/pcgs/automatic_model_validation.cfm