Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Nakajima Mikio,Studies on Hardening of Amino Resins,Kobunshi Kagaku,0023-2556,"The Society of Polymer Science, Japan",1964,21,233,544-552,https://cir.nii.ac.jp/crid/1390001206519669632,https://doi.org/10.1295/koron1944.21.544