1. Lee D. H., Jang T. S., Lee J. J. and Yoon Y. S., A Study on the Design of the Keel in the Energy Storing Prosthetic Foot Using the Finite Element Analysis and the Taguchi Method, Transactions of the KSME, A, Vol. 24, No. 3 (2000), p.613~624.
2. Kim Chang-Boo and Cho Hyeon-Seok, A Study on the Trajectory Optimization Planning of Biped Walking Machine, Journal of the KSPE, Vol. 15, No. 3 (1998), p.157~167.
3. Youm Young-Il, Bio-Robots and Intelligent Prosthetics, Journal of the KSPE, Vol. 17, No. 11 (2000), p.36~42.
4. Choi N. S. and Kinloch A. J., Delamination Behavior of Multidirectional Laminates under the Mode I Loading, Transactions of the KSME, A, Vol. 22, No. 3 (1998), p.611~623.
5. Ronald F. Gibson, Principles of Composite Materials, McGraw-Hill Inc., New York (1994), p.190~244.