Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Toyama Toshio and Hayashi Yoshio and Tomono Yoshiro,Inhalation chamber of sulfur dioxide and determination of its concentration,Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene),00215082,The Japanese Society for Hygiene,1960,15,4,263-267,https://cir.nii.ac.jp/crid/1390001206363380864,https://doi.org/10.1265/jjh.15.263