Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKAMOTO Yoshizo and TAKANEZAWA Toshio and SATOU Kazuyoshi and SEKIYA Masami and ISHII Toshimitsu and ETOU Motokuni and OHWA Hisashi and ITOU Tomohisa and YAMANE Osamu and TAKAHASHI Isao and NAKANISHI Takashi,Visualization of Internal flaws of Mortar Test Piece by Means of Infrared Radiometer,Journal of the Visualization Society of Japan,0916-4731,The Visualization Society of Japan,1991,11,Supplement1,75-78,https://cir.nii.ac.jp/crid/1390001204620770048,https://doi.org/10.3154/jvs.11.supplement1_75