TY - RPRT TI - Love wave propagation in functionally graded piezoelectric material layer. AU - Jianke Du AU - Xiaoying Jin AU - Ji Wang AU - Kai Xian PY - 2006 DO - 10.1016/j.ultras.2006.09.004 UR - https://pubmed.ncbi.nlm.nih.gov/17107699/ ID - 17107699 ER -