Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOBAYASHI Setuo and TAKENOUCHI Yoshiaki,The Longitudinal Impact of Coil Springs,Transactions of the Japan Society of Mechanical Engineers,00290270,The Japan Society of Mechanical Engineers,1964,30,215,877-886,https://cir.nii.ac.jp/crid/1390282680134272512,https://doi.org/10.1299/kikai1938.30.877