Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAKAMURA Eiko and FUJISAWA Izumi and NAMIKI Hiroshi,Determination of anionic surfactant in water by indirect atomic absorption spectrometry after solvent extraction with potassium-dibenzo-18-crown-6,BUNSEKI KAGAKU,05251931,The Japan Society for Analytical Chemistry,1983,32,5,332-336,https://cir.nii.ac.jp/crid/1390282679029108352,https://doi.org/10.2116/bunsekikagaku.32.5_332