POWDER TECHNOLOGY, vol. 76, no. 3, page. 291 - 297, 1993-09
POWDER METALLURGY, vol. 36, no. 2, page. 129 - 134, 1993-01
JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY-TRANSACTIONS OF THE ASME, vol. 115, no. 1, page. 89 - 94, 1993-01
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 76, no. 1, page. 229 - 231, 1993-01