@article{YuanKopp2002,
  author    = {Qingshan Yuan and Thilo Kopp},
  title     = {Charge ordering in half-doped Pr(Nd)0.5Ca0.5MnO3 under a magnetic field},
  journal   = {Physical Review B},
  volume    = {65},
  number    = {17},
  pages     = {174423},
  doi       = {10.1103/PhysRevB.65.174423},
  year      = {2002},
}