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Figure 1
Letter from S. C. Wallwork, Secretary of the Crystallography Group of the UK Institute of Physics, to A. Linek, Chairman of the IUCr Calendar Sub-Committee (courtesy M. Dacombe). |
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Figure 1
Letter from S. C. Wallwork, Secretary of the Crystallography Group of the UK Institute of Physics, to A. Linek, Chairman of the IUCr Calendar Sub-Committee (courtesy M. Dacombe). |