@inproceedings{622,
  author = {Brian Williams},
  title = {Using Hybrid Automata to Model Four Stroke Engines with Variable Valve Timing in Simulink/Stateflow},
  year = {2006},
  journal = {ACMSE 2006},
  month = {March},
  address = {Melbourne, FL},
  note = {CD-Rom p51.pdf},
  language = {eng},
}