@article{wang2001prl,
  author = {Wang, F. and Landau, D. P.},
  title = {{Efficient, Multiple-Range Random Walk Algorithm to Calculate the Density of States}},
  journal = {Physical Review Letters},
  volume = {86},
  number = {10},
  pages = {2050--2053},
  year = {2001},
  doi = {10.1103/PhysRevLett.86.2050}
}