Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Noboru Osaka and Kyoshiro Yanagi and Hiromu Saito,The optical transparency and structural change of quenched poly(vinylidene fluoride) caused by cold-drawing,Polymer journal,00323896,Tokyo : Springer Nature,2013-10,45,10,1033-1040,https://cir.nii.ac.jp/crid/1521136280680923392,