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92 data and the diamond copyright © 2017 christoph…
92 data and the diamond copyright © 2017 christopher g brown patent christopher g brown 3470 2776
92 data and the diamond copyright © 2017 christopher g brown patent christopher g brown 3470 2776 Publisher: CreateSpace Independent Publishing Platform; Large Print edition (June 25, 1985) ISBN-13: 978-1467904506