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 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 Committe B10 on Reactive and Refractory Metals and Alloys, American Society for Testing and Materials, Stratford-upon-Avon, England, 26-29 June, 1978. 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 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 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 C-16 on Thermal and Cryogenic Insulating Materials, American Society for Testing and Materials, Philadelphia, Pa., 19-20 Sept. 1977 ; R. P. Tye, editor. 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 D18 on Soil and Rock for Engineering Purposes, American Society for Testing and Materials, Boston, Mass., 28 June 1978 ; Raymond Lundgren, editor. sponsored by ASTM Committee D-9 on Electrical Insulating Materials, American Society for Testing and Materials ; R. Bartnikas, E. J. McMahon, editors.