@article{DBLP:journals/rsa/MooreIDV07,
  author    = {Cristopher Moore and
               Gabriel Istrate and
               Demetrios D. Demopoulos and
               Moshe Y. Vardi},
  title     = {A continuous-discontinuous second-order transition in the
               satisfiability of random Horn-SAT formulas},
  journal   = {Random Struct. Algorithms},
  volume    = {31},
  number    = {2},
  year      = {2007},
  pages     = {173-185},
  ee        = {http://dx.doi.org/10.1002/rsa.20176},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}