Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAKAI Kiyomi and MITSUISHI Akiyoshi and MINAMI Shigeo and YOSHINAGA Hiroshi,A Far Infrared Filter Monochromator with Reststrahlen Crystals,Oyo Buturi,0369-8009,The Japan Society of Applied Physics,1965,34,3,176-180,https://cir.nii.ac.jp/crid/1390001204630700928,https://doi.org/10.11470/oubutsu1932.34.176