Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKABE Tadashi and KOBAYASHI Katsumi,An Overview of Electric Smart Meter System and Example Approaches to Technical Subjects,Journal of The Society of Instrument and Control Engineers,04534662,The Society of Instrument and Control Engineers,2018-09-10,57,9,623-628,https://cir.nii.ac.jp/crid/1390845713000936960,https://doi.org/10.11499/sicejl.57.623