C
[CHS11] Arnaud Carayol, Axel Haddad, and Olivier Serre. Qualitative Tree Languages. In LICS'11, pages 13-22. IEEE Comp. Soc. Press, June 2011. 
@inproceedings{lics2011-CHS,
  author =              {Carayol, Arnaud and Haddad, Axel and Serre, Olivier},
  title =               {Qualitative Tree Languages},
  booktitle =           {{P}roceedings of the 26th {A}nnual {S}ymposium on
                         {L}ogic in {C}omputer {S}cience ({LICS}'11)},
  acronym =             {{LICS}'11},
  publisher =           {IEEE Comp. Soc. Press},
  pages =               {13-22},
  year =                {2011},
  month =               jun,
  doi =                 {10.1109/LICS.2011.28},
}
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