Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ishitani Tohru,Focused-ion-beam system.,Denshi kenbikyo,04170326,The Japanese Society of Microscopy,1997,32,1,28-32,https://cir.nii.ac.jp/crid/1390001204735019264,https://doi.org/10.11410/kenbikyo1950.32.28