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Zero is no-thing, especially no-number   220k v. 28 Aug 8, 2015, 10:27 AM Gary Harper
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Three-millennia path toward formal geometric dimension   270k v. 31 Apr 30, 2016, 10:49 AM Gary Harper
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Meandering journey of a curious creator  291k v. 4 May 9, 2015, 6:22 PM Gary Harper