[ no place ]: International Business Machines Corporation October 1958. First Edition. 289-293 pages. 11 x 8 1/2 inches. Glossy white printed wrappers. Near Fine. Wraps. 
"In certain communication systems where information is to be transmitted from one point to another, additional side information is available at the transmitting point. This side information relates to the state of the transmission channel and can be used to aid in the coding and transmission of information. In this paper, a type of channel with side information is studied and its capacity determined." (abstract)
The IBM "Journal of Research and Development" (Vol. 2 No. 4, October 1958) first published this paper. Here offered in the offprint form.
PROVENANCE: The personal files of Claude E. Shannon (unmarked). There were ten examples of this item in Claude Shannon's files.
Sloane and Wyner, "Claude Elwood Shannon Collected Papers," #116
Hook and Norman, "Origins of Cyberspace," #897
D. Slepian, editor, "Key Papers in the Development of Information Theory," IEEE Press, NY, 1974, pp 334-338.