Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAGATA Akira,Plastics for Optical Lenses,CHEMISTRY & EDUCATION,03862151,The Chemical Society of Japan,1991,39,4,379-382,https://cir.nii.ac.jp/crid/1390282679286726528,https://doi.org/10.20665/kakyoshi.39.4_379