Solid mechanics research for quantitative non-destructive evaluation : proceedings of the ONR symposium on solid mechanics research for QNDE, Northwestern University, Evanston, IL, September 18-20, 1985 / ed. by J.D. Achenbach, Y. RajapakseMechanics and mathematical methods : a series of handbooks / general ed. J.D. AchenbachMechanics and mathematical methods : a series of handbooks / general ed. J.D. AchenbachMechanics and mathematical methods : a series of handbooks