Four colours suffice how the map problem was solved
| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London
Penguin Books
2002
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| Subjects: |
| Item Description: | Περιέχει ευρετήριο |
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| Physical Description: | xii, 261 σ. εικ. 19 εκ. |