1. Kamihoronai-Moi Site (1);Atsuma Board of Education,2006
2. X-Ray florescence on artifacts on Obsidian from Minamimachi 2 site spot 3 in Obihiro city, Hokkaido;Ferguson,2014
3. X-Ray florescence and neutron activation analysis of obsidian from Kamihoronai Moi Paleolithic site, County Yufutsu, Hokkaido;Ferguson,2014
4. Proving into the function under abrasions left on burin from Horokazawa site locality Toma;Girya,2012
5. Quantitative EDXRF studies of obsidian sources in northern Hokkaido;Hall;Journal of Archeological Science,2002