.ASNT national conference (1982 : Pittsburgh):Spring conference March 22-25, Boston : Fall Conference, October 4-7, pittsburgh : 1982 paper summaries.ASNT,1982.
.ASNT National Conferences (1981 : Atlanta):Spring Conference, Las Vegas, NV, March 2-5, Fall Conference, Atlanta, GA, Oct. 12-15, 1981 paper summaries.ASNT,1981.