@article{4654,
  author       = {Engels, J. and Fromme, Lars and Seniuch, M.},
  issn         = {0550-3213},
  journal      = {Nuclear Physics B},
  number       = {3},
  pages        = {533--554},
  publisher    = {Elsevier BV},
  title        = {{Correlation lengths and scaling functions in the three-dimensional O(4) model}},
  doi          = {10.1016/j.nuclphysb.2003.09.060},
  volume       = {675},
  year         = {2003},
}

@article{4657,
  author       = {Engels, J. and Fromme, Lars and Seniuch, M.},
  issn         = {0550-3213},
  journal      = {Nuclear Physics B},
  number       = {3},
  pages        = {277--299},
  publisher    = {Elsevier BV},
  title        = {{Numerical equation of state and other scaling functions from an improved three-dimensional Ising model}},
  doi          = {10.1016/S0550-3213(03)00085-3},
  volume       = {655},
  year         = {2003},
}