1. W. Wu & E. Cobb, J. Biomed. Mater. Res. 15, 343 (1981).
2. W. Wu, & J. E. McKinney, J. Dent. Res., 61, 1180 (1982).
3. J. E. McKinney, & W. Wu, J. Dent. Res., 61, 1083 (1982).
4. W. Wu, J. Pestaner, & R. L. Bowen, “Proc. Int. Symp. on Posterior Composite Resins,” D. F. Taylor, Ed. Chapel Hill, NC, pp. 7–20 (1982).
5. W. Wu, “Proc. Int. Symp. on Posterior Composite Resins,” D. F. Taylor, Ed., Chapel Hill, NC, pp. 127–146 (1982).