Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOTSUYANAGI Takao and GOTO Katsumi and NAGAYAMA Masaichi,Mechanism of Coagulation of Humic Acid in Presence of Metal Ion Coagulants at Low pH Values,"The Journal of the Society of Chemical Industry, Japan",0023-2734,The Chemical Society of Japan,1970,73,5,874-878,https://cir.nii.ac.jp/crid/1390001205134628096,https://doi.org/10.1246/nikkashi1898.73.5_874