Sponsored by IFAC Technical Committee on Applications. IFAC Te chnical Committee on Applications. sponsored by Canadian National Committee on Rock Mechanics. spons. by the ASTM Standing Committee on Publications sponsored by Japan national committe for theoretical and applied mechanics. sponsored by IEEE Computer Society's Technical Committee on Fault-Tolerant Computing. sponsored by IEEE Computer Society technical committees on architecture ... et al. . sponsored by ASTM committee C-1 on cement. sponsored by the Education Committee ... [et al.].