TY - JOUR AU - Nishimiya, Katsuhiko TI - Studies on the Geochronology of the Sone Group in the Sone Hills, Higashiyatsushiro District of Yamanashi Prefecture T2 - Memoirs of the Faculty of Liberal Arts & Education. Part II, Mathematics & natural sciences SN - 03858766 PY - 1973 DA - 1973/00/00 VL - 24 SP - 64-68 UR - http://ci.nii.ac.jp/naid/110000358916/en/ ER -