Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOKOYAMA Kei and SHOJI Hidenobu,608 The analysis of unsteady forces of a centrifugal impeller whirling in a volute casing,The Proceedings of Ibaraki District Conference,2424-2683,The Japan Society of Mechanical Engineers,2006,2006,0,147-148,https://cir.nii.ac.jp/crid/1390001205855599232,https://doi.org/10.1299/jsmeibaraki.2006.147