1. 1W. D. Kingery, H. K. Bowen, and D. R. Uhlmann , Introduction to Ceramics , 2nd ed. Wiley, New York, 1976 ; pp.469 -90 (Sec. 10.2).
2. 2G.C. Kucrynski ; pp.101 -17 inPowder Metallurgy for High Performance Applications . Syracuse University, 1972 .