Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OGUCHI Toshihiko and KUBO Tsutomu and YOSHIDA Hiromi,Blow Off Powder Charge Measuring Equipment and Toner Charge Measurement by Using It,DENSHI SHASHIN (Electrophotography),00118478,The Imaging Society of Japan,1978,16,2,52-58,https://cir.nii.ac.jp/crid/1390001204099127808,https://doi.org/10.11370/isjep.16.52