Proceedings of the 6th International Conference on High Voltage Electron Microscopy,In cooperating with the 7th Eurpoean Congress on Electron Microscopy,7th Eurpoean Congress on Electron Microscopy Foundation.Electron Microscopy 1980．V.4，High voltage.N. H. PC,1980.
Proceedings of the 6th International Conference on High Voltage Electron Microscopy,In cooperating with the 7th Eurpoean Congress on Electron Microscopy,7th Eurpoean Congress on Electron Microscopy Foundation.N. H. PC,1980.
