@article{RosenblumPengIvanovetal.1998,
  author    = {Rosenblum, Michael and Peng, C. K. and Ivanov, Plamen Ch. and Mietus, J. and Havlin, Shlomo and Stanley, H. Eugene and Goldberger, Ary L.},
  title     = {Scaling and universality in heart rate variability distributions},
  year      = {1998},
  language  = {en}
}