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) ヒガシ アキラ and フジイ ヨシユキ and タケヤ サトシ and Akira HIGASHI and Yoshiyuki FUJII and Satoshi TAKEYA,SEM OBSERVATIONS OF VOLCANIC ASH AT 500M DEPTH IN THE MIZUHO ICE CORE,Proceedings of the NIPR Symposium on Polar Meteorology and Glaciology,,National Institute of Polar Research,1994-11,8,,202,https://cir.nii.ac.jp/crid/1390853649821532928,https://doi.org/10.15094/00003859