Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MIYAKE Hiroaki and SHIBUYA Kazuaki and NAGATO Hiromu,Development of 20 inch Photomultiplier for Contributing a Neutrino Detection,The Journal of The Institute of Electrical Engineers of Japan,13405551,The Institute of Electrical Engineers of Japan,2012,132,11,742-745,https://cir.nii.ac.jp/crid/1390001204996699264,https://doi.org/10.1541/ieejjournal.132.742