sponsored by ASTM Committee E33 on Environmental Acoustics, American Society for Testing and Materials, Kansas City, Mo., 24-26 May 1978. ; R. J. Peppin, C. W. Rodman, editors. sponsored by ASTM Committee G-2 on Erosion and Wear, American Society for Testing and Materials, Vail, Colo., 24-26 Oct. 1977 ; W. F. Adler, editor. sponsored by ASTM Committee E-28 on Mechanical Testing, American Society for Testing and Materials, Kansas City, Mo., 24, 25 May 1978. sponsored by ASTM Committee E-9 on Fatigue, American Society for Testing and Materials, Atlanta, Ga., 14-15 Nov. 1977 ; P. R. Abelkis and J. M. Potter, editors. sponsored by ASTM Committee E05 on Fire Standards, American Society for Testing and Materials, Boston, Mass., 27 June 1978 ; E. E. Smith and T. Z. Harmathy, editors. sponsored by ASTM Committee E07 on Nondestructive Testing, American Society for Testing and Materials, Ft. Lauderdale, Fla., 25-26 Jan., 1979 ; W. F. Hartman and J. W. McElroy, editors. sponsored by ASTM Committees D13 on Textiles and F09 on Tires, American Society for Testing and Materials, Montrose, Ohio, 23-25 Oct. 1978 ; R. A. Fleming and D. I. Livingston, editors. sponsored by ASTM Committee E-24 on Fracture Testing of Metals, American Society for Testing and Materials, Chicago, Ill., 28-30 June, 1976 ; G. T. Hahn and M. F. Kanninen, editors. sponsored by ASTM Committee E-24 on Fracture Testing, American Society for Testing and Materials, San Diego, Calif., 13-14 Oct. 1977. ; J. B. Chang, editor. sponsored by ASTM Committee E-42 on Surface Analysis, American Society for Testing and Materials, Cleveland, Ohio, 28 Feb.-1 March, 1978 ; T. L. Barr, L. E. Davis, editors.