@incollection{, E586CFB4E0980DB6FDB8CC12EE327B13 , author={{Ibe, GodwinAnwara} and {University of Warwick, UK}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}1454350 } @incollection{b0, , title={{Quantitative Nondestructive Evaluation}} , author={{ JAchenbach }} , journal={{International Journal of Solids and Structures}} 37 , year={2000} } @incollection{b1, , title={{Analysis of Wave Attenuation in Unidirectional Viscoelastic Composites by a Different Scheme}} , author={{ SBiwa }} , journal={{Science Direct}} 63 2 , year={2003} } @book{b2, , title={{Fundamentals of Ultrasonic Imaging and Flaw Detection}} } @book{b3, , title={{An Introduction to Angle Beam Assemblies}} } @incollection{b4, , title={{A Comparison Study of Pulse-echo and Through-transmission Ultrasonics in Glass/Epoxy Composites}} , author={{ SPawlak } and { GWrobel }} , journal={{Journal of Achievements in Materials and Manufacturing Engineering}} , year={2007} } @book{b5, , title={{Ultrasonic Testing}} , note={Available at} } @book{b6, , title={{Mode Conversion}} , note={Available at} }