Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) R. D. Mindlin and E. A. Fox,Vibrations and Waves in Elastic Bars of Rectangular Cross Section,Journal of Applied Mechanics,0021-8936,ASME International,1960-03-01,27,1,152-158,https://cir.nii.ac.jp/crid/1363670320463342720,https://doi.org/10.1115/1.3643890