Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takahashi Masaki and Yanagisawa Yukio,"Stratigraphy of the Miocene Series in the Hiki Hills, Saitama Prefecture, central Japan",The Journal of the Geological Society of Japan,00167630,The Geological Society of Japan,2004,110,5,290-308,https://cir.nii.ac.jp/crid/1390001206238411392,https://doi.org/10.5575/geosoc.110.290