Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MURAI Yuichi and TASAKA Yuji and Jin PARK Hyun,Ultrasonic Monitoring of Gas-liquid Two-phase Turbulent Flows,Journal of the Visualization Society of Japan,09164731,The Visualization Society of Japan,2019,39,155,11-16,https://cir.nii.ac.jp/crid/1390567172583823104,https://doi.org/10.3154/jvs.39.155_11