Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakamura Yugo and Hirakawa Kazuomi and Iwasaki Shogo and Sawagaki Takanobu,"Late Quaternary Tephras in the Tokachi Plain and the Hidaka Range, with Special Reference to Glacial Sediments",The Quaternary Research (Daiyonki-Kenkyu),04182642,Japan Association for Quaternary Research,2000,39,1,33-43,https://cir.nii.ac.jp/crid/1390282681472114304,https://doi.org/10.4116/jaqua.39.33