Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAITO G.,"Petrological characteristic and volatile content of magma of August 18,2000 eruption of Miyakejima volcano : Magma ascent, phreatomagmatic eruption and magma degassing",Bull. Volcanol.,,,2002,,,,https://cir.nii.ac.jp/crid/1570572699890253312,