Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ryo Hagino and Junko Yashiro and Michiko Sakata,Electrostatic Contributions to Chain Stiffness and Excluded-Volume Effects in Sodium Poly(2-acrylamido-2-methylpropanesulfonate) Solutions,Polymer journal,00323896,Tokyo : Springer Nature,2006,38,8,861-867,https://cir.nii.ac.jp/crid/1523669555362369408,