Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sato Koji and Matsushita Nobuo,"Development of High-Efficiency, Highly-Diffused Prismatic Panel and its Application",JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN,00192341,The Illuminating Engineering Institute of Japan,1989,73,2,52-56,https://cir.nii.ac.jp/crid/1390001204085507968,https://doi.org/10.2150/jieij1980.73.2_52