%0 Journal Article %T New Calculation Method for Current Density at an Arbitrary Cross Section of Electron Beam %A TAKAOKA,, Akio %A URA,, Katsumi %J Journal of Electron Microscopy %V 36 %N 5 %P 275-282 %@ 2050-5698 %D 1987-01-01 %I Oxford Academic %~ DeepDyve