@article{Gull2011cpc,
  author  = {E. Gull and P. Werner and S. Fuchs and B. Surer and T. Pruschke and M. Troyer},
  title   = {Continuous-Time Quantum {M}onte {C}arlo Impurity Solvers},
  journal = {Comput. Phys. Commun.},
  volume  = {182},
  pages   = {1078},
  year    = {2011},
  doi     = {10.1016/j.cpc.2010.12.050},
}