| Paper | 
|---|
| [1997] Tsuyoshi Yoshida, Atsushi Nakahira, Kazunori Kijima, Yong-Ho Choa and Koichi Niihara Japan Powder & Powder Materials vol. 44, no. 12 pp.1078-1082 | 
| [1997] Yong-Ho Choa Journal of Korean Powder Metallurgy Institute, 4(1997), p.151-169 | 
| [1997] N. Bamba, Y.H. Choa,  K. Niihara Nanostructured materials vol.9 no.1/8 pp.497-500 | 
| [1997] Tsuyoshi Yoshida, Atsushi Nakahira, Kazunori Kijima, Yong-Ho Choa, Koichi Niihara Japan Powder and Powder Materials, 44 (1997), p.1078-82 | 
| [1997] Tohru Sekino, Katsumi Ogawa, Yong-Ho Choa, Koichi Niihara Materials Research Innovations, 1 (1997), p.10-15 | 
| [1997] Koichi Niihara, Satoru Ueda, Tohru Sekino, Yong-Ho Choa Energy and Resources, 18 (1997), p.251-259 | 
| [1997] Koichi Niihara, Atsushi Nakahira, Tohru Sekino, Yong-Ho Choa Journal of the Japan Society of Powder and Powder Metallurgy, 44 (1997), p.887-896 | 
| [1997] Yong-Ho Choa, Hirokazu Kawaoka, Tohru Sekino, Koichi Niihara Key Engineering Materials, 132 (1997), p.2009-2012 |