@article{Evertz1993,
  author  = {H. G. Evertz and G. Lana and M. Marcu},
  title   = {Cluster algorithm for vertex models},
  journal = {Phys. Rev. Lett.},
  volume  = {70},
  pages   = {875},
  year    = {1993},
  doi     = {10.1103/PhysRevLett.70.875},
}