Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Shiobara S,Microwave free space method with lens antennas for plasma diagnostics,Journal of the Physical Society of Japan,00319015,Tokyo : Physical Society of Japan,1963-09,18,9,????,https://cir.nii.ac.jp/crid/1523669555411872768,