Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kobayashi Yasuji and Okajima Saburo,Dichroic Constant of a Fibre Dyed with Congo Red and its Degree of Dyeing,"The Journal of the Society of Chemical Industry, Japan",0023-2734,The Chemical Society of Japan,1960,63,1,145-148,https://cir.nii.ac.jp/crid/1390282680109135360,https://doi.org/10.1246/nikkashi1898.63.145