sponsored by ASTM Committee E-24 on Fracture Testing, Philadelphia, Pa., 29-30 April 1982 ; J.J. Mecholsky, Jr., S.R. Powell, editors. sponsored by ASTM Committee E-24 on Fracture Testing ; E.T. Wessel and F.J. Loss, editors. Sponsored by ASTM Committee E-6 on Methods of Testing Building Constructions. sponsored by ASTM Committees E-9 on Fatigue and E-24 on Fracture Testing, Louisville, KY., 10 May 1983 ; R.I. Stephens, editor.