Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TAGAMI Keiko and HIRAI Ikuko and UCHIDA Shigeo,The Use of Octapole Reaction System ICP-MS for Determination of Arsenic and Selenium Concentrations in 25 Major Rivers Selected throughout Japan,RADIOISOTOPES,00338303,Japan Radioisotope Association,2005,54,12,577-585,https://cir.nii.ac.jp/crid/1390282679128903040,https://doi.org/10.3769/radioisotopes.54.577