Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KIMURA Kunkio and JINNAI Kazuhiko and ISAYAMA Yukio,On the Hollow Glass Micro-Sphere made from the “Shirasu” (Silas Balloons),"Journal of the Ceramic Association, Japan",00090255,The Ceramic Society of Japan,1972,80,918,84-91,https://cir.nii.ac.jp/crid/1390001205217378304,https://doi.org/10.2109/jcersj1950.80.918_84