@article{todo2001,
  author = {Todo, S. and Kato, K.},
  title = {{Cluster Algorithms for General-S Quantum Spin Systems}},
  journal = {Physical Review Letters},
  volume = {87},
  number = {4},
  pages = {047203},
  year = {2001},
  doi = {10.1103/PhysRevLett.87.047203}
}