Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Iwashita Norio,Comments on the revised “GAKUSHIN” method,TANSO,0371-5345,THE CARBON SOCIETY OF JAPAN,2006,2006,221,48-51,https://cir.nii.ac.jp/crid/1390282679202450048,https://doi.org/10.7209/tanso.2006.48