1. K. Manabe, H. Nishimura, H. Hamano, Proc. 2nd Int. Conf. Tech. Plasticity, 1987, pp. 1297–1304.
2. K. Manabe, H. Nishimura, Proc. Jpn. Int. SAMPE Sym., 1989, pp. 707–712.
3. K. Manabe, M. Yang, Proc. 4th Int. Conf. Tech. Plasticity, 1993, pp. 1905–1910.
4. K. Manabe, S. Yoshihara, M. Yang, H. Nishimura, Technical Papers of NAMRC, 1995, pp. 41–46.