sponsored by ASTM Committee E-10 on Nuclear Applications and Measurement of Radiation, American Society for Testing and Materials, St. Louis, Mo., 4-6 May 1976 ; F. R. Shober, symposium chairman. sponsored by ASTM Committee D-4 on Road and Paving Materials, American Society for Testing and Materials, Bal Harbour, Fla., 6 Dec. 1978 ; G. J. Allen, symposium chairman. sponsored by ASTM Committee F-1 on Electronics, American Society for Testing and Materials, San Diego, Calif., 15-16 Feb., 1979 ; R.D. Westbrook, symposium chairman. sponsored by ASTM Committee E-10 on Nuclear Technology and Applications, American Society for Testing and Materials, Richland, Wash., 11-13 July 1978 ; J. A. Sprague, David Kramer, 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. a symposium sponsored by ASTM Committee E-24 on Fracture Testing of Metals, American Society for Testing and Materials, Philadelphia, Pa., 23-25 Aug., 1976 ; J. M. Barsom, symposium chairman. sponsored by ASTM Committee B-10 on Reactive and Refractory Metals and Alloys, American Society for Testing and Materials, New Orleans, La., 15-17 Oct. 1979 ; E.W Kleefisch, editor. 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 the ASTM Committee B-10 on Reactive and Refractory Metals and Alloys, American Society for Testing and Materials; A.L. Lowe, Jr. and G. W. Parry, editors. sponsored by ASTM Committee C-16 on Thermal and Cryogenic Insulating Materials, American Society for Testing and Materials, Philadelphia, Pa., 19-20 Sept. 1977 ; R. P. Tye, editor.