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- [7] ASPECTS OF DARK-FIELD ELECTRON-MICROSCOPY JOURNAL OF MICROSCOPY-OXFORD, 1973, 98 (AUG): : 352 - 358
- [8] STRUCTURAL-ANALYSIS BY DIRECT OBSERVATION OF ATOMS BY DARK FIELD TRANSMISSION ELECTRON-MICROSCOPY ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1974, 13 (08): : 536 - 536