Prefix graphs and their applications
Shiva Chaudhuri
and Torben Hagerup
Proc. 20th Int. Worksh. Graph-Theoretic Concepts in Computer Science (WG 1994), Lecture Notes in Computer Science 903, Ernst W. Mayr,
Gunther Schmidt,
and Gottfried Tinhofer, ed., Springer-Verlag, 1994, pp. 206–218
http://www.mpi-sb.mpg.de/~shiva/publications/prefix.ps.gz
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