Unrooted binary tree: Difference between revisions

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Added isbn. | Use this bot. Report bugs. | Suggested by Abductive | Category:Trees (graph theory) | #UCB_Category 33/40
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| title = Proc. 21st International Colloquium on Automata, Languages and Programming (ICALP '94)
| volume = 820
| year = 1994| isbn = 978-3-540-58201-4 }}.
*{{citation
| last1 = Robertson | first1 = Neil | author1-link = Neil Robertson (mathematician)