Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Naoya Ogata and Hozumi Tanaka,Synthesis of Polyamide by Phosphoroxidation,Polymer journal,00323896,Tokyo : Springer Nature,2002,34,5-2,59-61,https://cir.nii.ac.jp/crid/1520291854875621504,