1. High speed non-impact printer using di-electric drum;Horie;Trans. I.E.C.E., Japan,1979
2. Elimination method of missing dots in electrostatic printing by applying positive voltage;Ohnishi;Trans. I.E.C.E., Japan,1981
3. Measurement of latent image formation current in electrostatic recording;Nakanishi;Trans. I.E.C.E., Japan,1978
4. Breakdown time lag of short gaps in various gases;Shibuya;Trans. I.E.E., Japan,1974
5. Gas discharges in very small gap in relation to electrography;Schramm;Appl. Phys.,1973