著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) E.J. Liu and K.V. Cashman and A.C. Rust,Optimising shape analysis to quantify volcanic ash morphology,GeoResJ,2214-2428,Elsevier BV,2015-12,8,,14-30,https://cir.nii.ac.jp/crid/1363670320788562944,https://doi.org/10.1016/j.grj.2015.09.001