@INPROCEEDINGS( PSC2009-16, 
 author = "Cleophas, Loek and Kourie, Derrick G. and Strauss, Tinus and Watson, Bruce W.",
 title = "On Minimizing Deterministic Tree Automata",
 booktitle = "Proceedings of the Prague Stringology Conference 2009",
 address = "Czech Technical University in Prague, Czech Republic",
 editor = "Jan Holub and Jan {\v{Z}}{\v{d}}{\'{a}}rek",
 isbn = "978-80-01-04403-2",
 year = 2009,
 pages = "173--182",
)