| 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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| 6996 | Volume 25 | 1969 | 6997 | Volume 25 | 1969 |
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Summary: Casual analysis, Four Bears. 7167 |
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| This page references 2 pages: 7002 7167 This page is referenced from 5 pages: 6975 7002 7018 7040 7155 |
This page references page 6947 This page is referenced from 2 pages: 6950 7003 |
| 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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