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5624 | Volume 20 | 1957 | 5625 | Volume 20 | 27-May-57 |
Summary: How big should an arc be? 5746 |
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Arc why dynamic? |
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This page is referenced from 2 pages: 5611 5743 | This page references page 5746 This page is referenced from page 5579 |
This image is reproduced courtesy of The Estate of W. Ross Ashby. Copyright 1972, 2008 © The Estate of W. Ross Ashby |