TY - RPRT TI - Composite Materials Stiffness Determination and Defects Characterization Using Enhanced Leaky Lamb Wave Dispersion Data Acquisition AU - Bar-Cohen, Y. AU - Lih, Shyh-Shiuh AU - Chang, Z. AU - Mal, A. K. PY - 1999 UR - https://ntrs.nasa.gov/citations/20060041372 ID - 20060041372 ER -