| Paper | 
|---|
| [1999] M. Yoshimura, M. Sando, Yong-Ho Choa, T. Sekino, K.  Niihara Key engineering materials 161-163 (1999), 423-26 | 
| [1999] M. Yoshimura, T. Ohji, M. Sando, Yong-Ho Choa, T. Sekino, K. Niihara Materials letters 38 (1999), 18-21 | 
| [1999] Jian-Feng Yang, Tohru Sekino, Yong-Ho Choa, Koichi Niihara Materials Science Research International, 5 (1999), 84-89 | 
| [1999] J. F. Yang, Yong-Ho Choa, T. Sekino, K. Niihara Journal of Materials Science Letters, 18 (1999), 505-07 | 
| [1999] T. Takagi, Yong-Ho Choa, T. Sekino, K.  Niihara Key engineering materials 161-163 (1999), 181-84 | 
| [1999] Dong-Woo Shin, Sam Shik Park, Yong-Ho Choa, Koichi Niihara Journal of the American Ceramic Society, 82 (1999), 3251-53 | 
| [1999] T. Sekino, S. Etoh, H. Kondo, Yong-Ho Choa, K.  Niihara Key engineering materials 161-163 (1999), 489-92 | 
| [1999] Tohru Sekino, Yong-Ho Choa, Atsushi Nakahira, Koichi Niihara Materia Japan, 38 (1999), 425-28 | 
| [1999] K. Niihara, T. Kusunose, S. Kohsaka, T. Sekino, Yong-Ho Choa Key engineering materials 161-163 (1999), 527-34 | 
| [1999] K. Niihara, Y. K. Jeong, T. Sekino, Yong-Ho Choa Ceramic transactions 96 (1999), 185-96 | 
| [1999] Koich Niihara, Yong-Ho Choa, Manwar Hussain, Yoshiyuki Hamahashi, Hiroiarou Kawahara, Yoshihisa Okamoto, Hirosi Nishida Materials Integration, 12 (1999), 47-53 | 
| [1999] K. Niihara, N. Bamba, Yong-Ho Choa, T.  Sekino Ceramic transactions 96 (1999), 197-208 | 
| [1999] T. Nakayama, T. A. Yamamoto, Yong-Ho Choa, K.  Niihara Key engineering materials 161-163 (1999), 497-500 | 
| [1999] T. Kusunose, Yong-Ho Choa, T. Sekino, K.  Niihara Key engineering materials 161-163 (1999), 475-80 | 
| [1999] T. Kusunose, Yong-Ho Choa, T. Sekino, K. Niihara Ceramic transactions, 94 (1999), 443-54 |