TY - RPRT TI - Composite Materials Stiffness Determination and Defects Characterization Using Enhanced Leaky Lamb Wave Dispersion Data Aquisition Method AU - Bar-Cohen, Y. AU - Mal, A. K. AU - Lih, S. S. AU - Chang, Z. PY - 1999 UR - https://ntrs.nasa.gov/citations/20060041622 ID - 20060041622 ER -