Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ohta Mitsuhiro and Akama Yu and Yoshida Yutaka and Sussman Mark,Three-Dimensional Simulations of Vortex Ring Formation from Falling Drops in an Immiscible Viscous Liquid,JOURNAL OF CHEMICAL ENGINEERING OF JAPAN,00219592,"The Society of Chemical Engineers, Japan",2009,42,9,648-655,https://cir.nii.ac.jp/crid/1390001204569141376,https://doi.org/10.1252/jcej.09we030