Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOTAKI Atsuo and FURUYAMA Katsuhiko and INOUE Yoichi,"The correlation between the cummingtonite-bearing ash layer in Fukuchiyama-Ayabe district, northern Kyoto Prefecture and the Lowermost Daisen Tephra Formation",Earth Science (Chikyu Kagaku),03666611,The Association for the Geological Collaboration in Japan,2002,56,1,35-48,https://cir.nii.ac.jp/crid/1390282679243176960,https://doi.org/10.15080/agcjchikyukagaku.56.1_35