From: Rick Smith at Secure Computing <[EMAIL PROTECTED]>
> Does anyone have a citation as to the source of this 1.33 bits/letter
> estimate? In other words, who computed it and how? It's in Stinson's crypto
> book, but he didn't identify its source. I remember tripping over a
> citation for it in the past 6 months, but can't find it in my notes.
According to Kahn's "The Codebreakers", 1996, ISBN 0-684-83130-9 pp 759-762
Shannon did frequency counts of 1, 2 and 3 letter n-graphs and asked people
to guess the next letter in incomplete passages of English.
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