Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
KIKKAWA Kiyoshi,"Identification of tephra layers by inductively coupled plasma(ICP) emission spectrometry, and their applications.",Journal of Geography (Chigaku Zasshi),0022135X,Tokyo Geographical Society,1990,99,7,743-758,https://cir.nii.ac.jp/crid/1390282679207533440,https://doi.org/10.5026/jgeography.99.7_743