JOURNAL OF THE KOREAN PHYSICAL SOCIETY, vol. 32, page. S1096 - S1096, 1998-02
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 79, no. 6, page. 1435 - 1440, 1996-06
JOURNAL OF MATERIALS RESEARCH, vol. 10, no. 12, page. 3185 - 3193, 1995-12
JOURNAL OF MATERIALS RESEARCH, vol. 10, no. 10, page. 2631 - 2641, 1995-10
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 78, no. 2, page. 297 - 304, 1995-02
JOURNAL OF MATERIALS RESEARCH, vol. 9, no. 10, page. 2634 - 2644, 1994-10