Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takeshita Toru and Tanaka Hidemi and Itaya Tetsumaru,"K-Ar ages of the 'Ishizuchiyama Tertiary System' in western Shikoku, Japan, and their implications.",The Journal of the Geological Society of Japan,00167630,The Geological Society of Japan,2000,106,4,308-311,https://cir.nii.ac.jp/crid/1390282681211282560,https://doi.org/10.5575/geosoc.106.308