Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YANAGISAWA Ichiro,"On a Discovery of Trilobite (Permian) from the Takakura Yama Group, Abukuma Mountainland",The Journal of the Geological Society of Japan,00167630,The Geological Society of Japan,1958,64,751,207-207,https://cir.nii.ac.jp/crid/1390282681213531648,https://doi.org/10.5575/geosoc.64.207