A notable collection of 34 papers presented at the World Meeting on Acoustic Emission held March 20-23, 1989 in Charlotte, NC. This meeting was sponsored by the Acoustic Emission Working Group (AEWG) and co-sponsored by the ASTM Committee E-7 on Nondestructive Testing, ASNT, IEEE, and SEM. Contents: AE sensors and systems, AE sources and wave propagation, signal processing approaches, structural monitoring applications, deformation studies, novel applications, geotechnical applications, and applications to composite materials. Limited quantity available.