%A Humphreys, F. J. %A Institute of Physics (Great Britain). Electron Microscopy and Analysis Group %A Royal Microscopical Society (Great Britain) %T Electron microscopy and analysis, 1991 : proceedings of the Institute of Physics Electron Microscopy and Analysis Group conference, University of Bristol, 10-13 September 1991, %I Institute of Physics %D 1991 %S Institute of Physics conference series %V no. 119 %U https://ci.nii.ac.jp/ncid/BA1398151X