H
[Hun13] Paul Hunter. When is Metric Temporal Logic Expressively Complete?. In CSL'13, Leibniz International Proceedings in Informatics 23, pages 380-394. Leibniz-Zentrum für Informatik, September 2013. 
@inproceedings{csl2013-Hun,
  author =              {Hunter, Paul},
  title =               {When is Metric Temporal Logic Expressively
                         Complete?},
  editor =              {Ronchi{ }Della{~}Rocca, Simona},
  booktitle =           {{P}roceedings of the 27th {I}nternational {W}orkshop
                         on {C}omputer {S}cience {L}ogic ({CSL}'13)},
  acronym =             {{CSL}'13},
  publisher =           {Leibniz-Zentrum f{\"u}r Informatik},
  series =              {Leibniz International Proceedings in Informatics},
  volume =              {23},
  pages =               {380-394},
  year =                {2013},
  month =               sep,
  doi =                 {10.4230/LIPIcs.CSL.2013.380},
}
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