Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takimoto Masayoshi and Sawada Masaru,"Colorimetric Determination of Guanidine, Dicyandiamide and Biguanide","The Journal of the Society of Chemical Industry, Japan",0023-2734,The Chemical Society of Japan,1960,63,5,799-803,https://cir.nii.ac.jp/crid/1390282680110051072,https://doi.org/10.1246/nikkashi1898.63.5_799