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| 100 | _aPenn, M. W. | ||
| 300 | _a1 v. (unpaged) | ||
| 697 | _aShapes. | ||
| 856 | _u000003/0000032c.jpg | ||
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_aBR-BrIDEA _cBR-BrIDEA |
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_aAP Nursery 516 _bPEN |
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_aSquare Bear _ba fairytale of polygons _c M. W. (Marianne W.) Penn |
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_a[S.l.] _bMathWord Press _c2011 |
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_aPenn, M. W. _d1944 _e(Marianne W.) |
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