Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Okumoto Tadaoki and Nagasawa Mitsuru and Sakai Akihito and Hasegawa Shinji and Matsuura Hiroshi,Measurement of the Flow Birefringence of Molten Polystyrene in Injection Molding,Seikei-Kakou,09154027,The Japan Society of Polymer Processing,2002,14,11,757-762,https://cir.nii.ac.jp/crid/1390282679436947456,https://doi.org/10.4325/seikeikakou.14.757