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April 6, 2017
July 28, 2016
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December 12, 2014
December 11, 2014
November 29, 2014
August 8, 2011
expanded on frequency and difference from DC
+110
Undo revision 898657 by DavidE (talk): Never mind. I have a better idea on how to handle this.
-18
propose merge
m+18