Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Miyaoka Uichiro and Matsui Takeo,(184) Determination of Free Formaldehyde in a Mixture of Dicyandiamide-Formaldehyde.,"The Journal of the Society of Chemical Industry, Japan",0023-2734,The Chemical Society of Japan,1955,58,8,567-571,https://cir.nii.ac.jp/crid/1390001205121802880,https://doi.org/10.1246/nikkashi1898.58.567