1. M. H. Kim, S. H. Kim and S. K. Ha, Structural analysis and optimal design of front bumper for automobiles by using the beam theory, Transactions of the Korean Society of Mechanical Engineers, 23(12) (1999) 2309–2319.
2. M. H. Kim, S. S. Jo and S. K. Ha, Design and structural analysis of aluminum bumper for automobiles, Transactions of the Korean Society of Automotive Engineers, 7(4) (1999) 217–227.
3. M. H. Kim, S. H. Kim and S. K. Ha, Design and structural analysis of bumper for automobiles, Proceedings of the Annual Meeting, The Korean Society of Automotive Engineers, 2 (1997) 1019–1024.
4. H. Kim and S. G. Hong, Optimization of bumper system under various requirements, Proceedings of the World Congress, Society of Automotive Engineers, 2001-01-0354 (2001).
5. H. J. Yim, M. S. Park, J. Park, S. J. Heo and D. K. Park, Shape optimization of bumper beam cross section for low speed crash, Proceedings of the World Congress, Society of Automotive Engineers, 2005-01-0880 (2005).