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pma's picture
Last seen: 3 years 1 month ago
Joined: Aug 10 2006 - 3:25am
Thanks to Bob Cordell and John Atkinson

Bob, thank you for your letter published on p. 13-15, a brilliant reply to "dirty sand" essay.

John Atkinson, thank you for introducing the new measurements with AP SYS2722, very suitable for contemporary high resolution systems.

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