Hi, Terry, Ed's, as mentioned Owen Jorgensen's heavy tome, _Tuning_ Joe Monzo's 'Definitions of Tuning Terms' at http://www.ixpres.com/interval/dict/index.htm J. Murray Barbour's _Tuning and Temperament_ and the bibliography at http://www.medieval.org/emfaq/zarlino/bibliogr.html Clark
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