Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAITO Hideo and NAGAI Tsuneo,Longitudinal Wave Propagations and Vibrations of Sandwich Plates,Transactions of the Japan Society of Mechanical Engineers,00290270,The Japan Society of Mechanical Engineers,1963,29,203,1210-1216,https://cir.nii.ac.jp/crid/1390282680134571776,https://doi.org/10.1299/kikai1938.29.1210