JOURNAL OF MATERIALS SCIENCE, vol. 32, no. 2, page. 503 - 511, 1997-01-15
JOURNAL OF MATERIALS SCIENCE, vol. 31, no. 19, page. 5083 - 5092, 1996-10-01
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 76, no. 6, page. 1482 - 1490, 1993-06
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 75, no. 12, page. 3369 - 3376, 1992-12