References
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- P.B. Fellgett and E. H. Linfoot, Phil. Trans. Roy, Soc, (A), 247, (1955) 369.
- A. I. Khinchin, Mathematical Foundations of Information Theory, Dover Publications, New York 1957.
- E. Zeitler, Die Ubertragungstheorie in der Photographie, Mitteilungen Agfs, Bd, II, Springer, Berlin 1958, 217.