Template talk:Infobox beryllium

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Speed of sound in beryllium is probably a record for solids, and I have a reference for the 12870 m/sec in thin rods at r.t. (room temp). I have no idea where the other value given is from, or what the n means. So I've deleted it. [1] SBHarris 02:53, 19 December 2007 (UTC)