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-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 D-4 on Road and Paving Materials, American Society for Testing and Materials, Bal Harbour, Fla., 6 Dec. 1978 ; G. J. Allen, symposium chairman. 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 E-35 on Pesticides, American Society for Testing and Materials, New Orleans, La., 17 Oct. 1978 ; E. E. Kenaga, editor. 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 D 19 on Water, American Society for Testing and Materials, Denver, Colo., 19-20 June 1978. ; C. E. Van Hall, editor. 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 G-1 on Corrosion of Metals, American Society for Testing and Materials, San Francisco, Calif, 21-23 May 1979 ; editors, Florian Mansfeld, Ugo Bertocci. 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.