S
[SKS03] Shoham Shamir, Orna Kupferman, and Eli Shamir. Branching-Depth Hierarchies. In EXPRESS'00, Electronic Notes in Theoretical Computer Science 39(1). Elsevier, February 2003. 
@inproceedings{express2000-SKS,
  author =              {Shamir, Shoham and Kupferman, Orna and Shamir, Eli},
  title =               {Branching-Depth Hierarchies},
  editor =              {Aceto, Luca and Victor, Bjorn},
  booktitle =           {{P}roceedings of the 7th {I}nternational {W}orkshop
                         on {E}xpressiveness in {C}oncurrency ({EXPRESS}'00)},
  acronym =             {{EXPRESS}'00},
  publisher =           {Elsevier},
  series =              {Electronic Notes in Theoretical Computer Science},
  volume =              {39},
  number =              {1},
  year =                {2003},
  month =               feb,
  confyear =            {2000},
  confmonth =           {8},
}
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