E
[EVW02] Kousha Etessami, Moshe Y. Vardi, and Thomas Wilke. First-Order Logic with Two Variables and Unary Temporal Logic. Information and Computation 179(2):279-295. Academic Press, December 2002. 
@article{icomp179(2)-EVW,
  author =              {Etessami, Kousha and Vardi, Moshe Y. and Wilke,
                         Thomas},
  title =               {First-Order Logic with Two Variables and Unary
                         Temporal Logic},
  publisher =           {Academic Press},
  journal =             {Information and Computation},
  volume =              {179},
  number =              {2},
  pages =               {279-295},
  year =                {2002},
  month =               dec,
}
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