| 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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| 6650 | Volume 23 | 9-Feb-67 | 6651 | Volume 23 | 11-Feb-67 |
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Summary: How children recognise patterns. |
Summary: A usable approximation. |
| 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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