Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KATO Takenori,Fe2+/Fe3+ Mapping with an Electron Probe Microanalyzer (EPMA),Journal of Geography (Chigaku Zasshi),0022135X,Tokyo Geographical Society,1999,108,2,122-131,https://cir.nii.ac.jp/crid/1390282679205548032,https://doi.org/10.5026/jgeography.108.2_122