Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SATO Ayaka and SHIROTA Minori and SANADA Toshiyuki and WATANABE Masao,Shape and Steady Drag on Single Rising Bubbles,Progress in Multiphase Flow Research,18815804,THE JAPANESE SOCIETY FOR MULTIPHASE FLOW,2008,3,,35-41,https://cir.nii.ac.jp/crid/1390001205274661120,https://doi.org/10.3811/pmfr.3.35