Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) AKIYAMA Toshiko and HANYA Takahisa,Composition and Spectroscopic Characteristics of Coprecipitated Organic Matter in Natural Water,Nippon kagaku zassi,0369-5387,The Chemical Society of Japan,1968,89,10,939-943,https://cir.nii.ac.jp/crid/1390001205156519424,https://doi.org/10.1246/nikkashi1948.89.10_939