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Les was invited and agreed (with Prof Xu Rongsheng), to give a 20-minute talk entitled "First international computer network connection between China and US". at the Symposium on 30 years of BES Physics to be held at the Institute of High Energy Physics, Beijing, P. R. China, from September 5 to 6, 2019. The web page for the symposium is https://indico.ihep.ac.cn/event/9761/. Les put together a presentation entitled First permanent computer connection between China and the US.
As part of the preparation he put together a spreadsheet on Internet users in China:
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