Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TOMITA Yukio and TSUCHIYA Ken,"A Study of Viscoelastic Fluid Flow : 2nd Report, Extrudate Irregularities",Transactions of the Japan Society of Mechanical Engineers,00290270,The Japan Society of Mechanical Engineers,1963,29,198,245-253,https://cir.nii.ac.jp/crid/1390001205159273856,https://doi.org/10.1299/kikai1938.29.245