| Untitled R U N E, (typewriter poem) print, 1977 $20 |
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| Untitled B O X E S, (typewriter poem) print, 1977 $20 |
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| Untitled C A R P E T, (typewriter poem) print, 1977 $20 |
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| Untitled O ( ) ~ +, (typewriter poem) print, 1977 $20 |
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| Gravity – from 3 to the third power: mathematical poems 1976 – 2003 |
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| Visual hi-koo rendering 4 Bob Grumman July 2005 |
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