@article{MarwanTrauthVuilleetal.2003,
  author    = {Norbert Marwan and Martin H. Trauth and Mathias Vuille and J{\"u}rgen Kurths},
  title     = {Comparing modern and Pleistocene ENSO-like influences in NW Argentina using nonlinear time series analysis methods},
  url       = {http://arxiv.org/abs/nlin.CD/0303056},
  year      = {2003},
}