C. Cherry. On Human Communication. MIT Press, Cambridge, Massachusetts, USA, 1957.
[ Missing PDF ] [ Bibtex ]
A.I. Khinchin. Mathematical Foundations of Information Theory. Dover, New York, New York, USA, 1957.
[ Missing PDF ] [ Bibtex ]
G. Polya. How to Solve It: A New Aspect of Mathematical Method. Princeton University Press, Princeton, New Jersey, USA, 1957, Second Edition.
[ Missing PDF ] [ Bibtex ]