@article{evertz1993,
  author = {Evertz, H. G. and Lana, G. and Marcu, M.},
  title = {{Cluster Algorithm for Vertex Models}},
  journal = {Physical Review Letters},
  volume = {70},
  number = {7},
  pages = {875--879},
  year = {1993},
  doi = {10.1103/PhysRevLett.70.875}
}