1. Ford, B. C. and Busacca, T. G. (2008). Airbag with Active Vent. US20080018086 A1.
2. Breed, D. S. (1998). A smart airbag system. Proc. 16th Int. Technical Conf. Enhanced Safety of Vehicle, 1080–1091.
3. Cox, M. A. and Jordan, M. P. (2011). Multi-stage Inflator. US 8047569 B2.
4. Duma, S. M., Rath, A. L., Jernigan, M. V., Stitzel, J. D. and Herring, I. P. (2005). The effects of depowered airbags on eye injuries in frontal automobile crashes. Am. J. Emerg. Med. 23, 1, 13–19.
5. Hong, S. J. and Park, W. P. (2011). Real-world accident study on injury characteristics of elderly driver in car-tocar frontal crashes. Trans. Korean Society of Automotive Engineers 19, 2, 12–19.