Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOSHIDA Hiroyuki and TSUSHIMA Kazunori and KUNOU Takahiko and ITOH Akihiro,Effect of Back Tension on Free Height of Helical Compression Springs,Transactions of Japan Society of Spring Engineers,0385-6917,Japan Society of Spring Engineers,1998-03-31,1998,43,31-35,https://cir.nii.ac.jp/crid/1390001205215014272,https://doi.org/10.5346/trbane.1998.31