Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
Suzuki Shunichi and Sekine Yoshitaka,"The ""Shiunseki"" Inkstone from the Upper Devonian Tobigamori Formation, Kitakami Mountains, Japan comparison with the ""Tankei (Duanxi)"" Inkstone of China",The Journal of the Geological Society of Japan,00167630,The Geological Society of Japan,2002,108,10,685-688,https://cir.nii.ac.jp/crid/1390282681210450816,https://doi.org/10.5575/geosoc.108.10_685