Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MATSUDA Hideharu and MINATO Susumu,Radioactivities(Dose Rates) of Rocks in Japan.,RADIOISOTOPES,0033-8303,Japan Radioisotope Association,1995,44,11,789-793,https://cir.nii.ac.jp/crid/1390282679130800512,https://doi.org/10.3769/radioisotopes.44.11_789