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lcsh's%3a%22ISIS %20information retrieval system%29 %2f handbooks%2c manuals%2c etc.%22 1
lcshs%3a%22ISIS %20information retrieval system%29 %2f handbook%2c manuals%2c etc.%22 1
lcshs%3a%22ISIS %20information retrieval system%29 %2f handbooks%2c manuale%2c etc.%22 1
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Shannon, C.E.: ¬A mathematical theory of communication : pt.1.2 (1948) 0.00

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Source: Bell system telephone journal. 27(1948), S.379-423, 639-641