| This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby |
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| 1223 | Volume 06 | 1943 | 1224 | Volume 06 | 1943 |
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Threshold significance |
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| This page is referenced from 3 pages: 1321 1461 1526 |
| This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby |
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