Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kinoshita Y. and Yamakoshi Y. and Sugaya I.,DETERMINATION OF PLASTICIZABILITY AND STABILITY OF POLYVINYL CHLORIDE BY MEANS OF “PLASTOGRAPH”,NIPPON GOMU KYOKAISHI,0029022X,"THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN",1962,35,5,346-351,https://cir.nii.ac.jp/crid/1390282681539955456,https://doi.org/10.2324/gomu.35.346