Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kaneda Teruo and Kubota Tadahiro and Chang Jen-Shih,Axial Electric Field of He–Ne and He–Ar Gas Mixture Positive Column Plasmas in a Capillary Discharge Tube,Japanese Journal of Applied Physics,,The Japan Society of Applied Physics,1990,29,4,765-766,https://cir.nii.ac.jp/crid/1574231877107495040,