Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Pichet Pinit and 梅崎 栄作,Determination of Principal-Stress Directions Using Photoelasticity with Plane Polarized RGB Lights Assisted by a Phase-Shifting Technique,日本実験力学会講演論文集 : 年次講演会 = Proceedings of JSEM : annual Conference on Experimental Mechanics,13464922,東京 : 日本実験力学会,2004,,4-2,290-293,https://cir.nii.ac.jp/crid/1520290884777610368,