Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIDA Junichi and TAKAHASHI Yoshiko and OJIMA Koichi and MATSUO Tsutomu,Flotation-spectrohotometric determination of germanium with phenylfluorone in coal fly ash.,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,1984,33,5,E143-E149,https://cir.nii.ac.jp/crid/1390282679029879040,https://doi.org/10.2116/bunsekikagaku.33.5_e143