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Penrose tiles to trapdoor ciphers : --and the return of Dr. Matrix /
| Main Author: | |
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| Format: | Printed Book |
| Language: | English |
| Published: |
Washington, D.C. :
Mathematical Association of America,
c1997.
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| Edition: | Rev. ed. |
| Subjects: |
| Physical Description: | ix, 319 p. : ill. (some col.) ; |
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| ISBN: | 0883855216 (pbk.) |