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5898 | Volume 21 | 1958 | 5899 | Volume 21 | 1958 |
Summary: Pattern recognising. 6167, 6305 |
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This page references 2 pages: 6167 6305 This page is referenced from 2 pages: 6305 6346 |
This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby |