@InProceedings{loding_et_al:LIPIcs.FSTTCS.2009.2328,
  author =	{L\"{o}ding, Christof and Wong, Karianto},
  title =	{{On Nondeterministic Unranked Tree Automata with Sibling Constraints}},
  booktitle =	{IARCS Annual Conference on Foundations of Software Technology and Theoretical Computer Science},
  pages =	{311--322},
  series =	{Leibniz International Proceedings in Informatics (LIPIcs)},
  ISBN =	{978-3-939897-13-2},
  ISSN =	{1868-8969},
  year =	{2009},
  volume =	{4},
  editor =	{Kannan, Ravi and Narayan Kumar, K.},
  publisher =	{Schloss Dagstuhl -- Leibniz-Zentrum f{\"u}r Informatik},
  address =	{Dagstuhl, Germany},
  URL =		{https://drops.dagstuhl.de/entities/document/10.4230/LIPIcs.FSTTCS.2009.2328},
  URN =		{urn:nbn:de:0030-drops-23281},
  doi =		{10.4230/LIPIcs.FSTTCS.2009.2328},
  annote =	{Keywords: Unranked tree automata, equality and disequality constraints, monadic second-order logic}
}