1. Crack-Growth Resistance of Microcracking Brittle Materials
2. 3T. Noma, A. Sawaoka, J. Marion, and A.G. Evans , "On Transformation Induced Microcrack Toughening: The Al2O3/Diamond (Graphite) System "; unpublished work.
3. 5w. D. Kingery, H. K. Bowen, and D.R. Uhlmann ; pp.753 -4 inIntroduction to Ceramics , 2nd ed. Wiley, New York, 1976 .