@article{PoonGrebogiFeudeletal.1998,
  author    = {Poon, L. and Grebogi, Celso and Feudel, Ulrike and Yorke, J. A.},
  title     = {Dynamical properties of a simple mechanical system with a large number of coexisting periodic attractors},
  year      = {1998},
  language  = {en}
}
@article{LaiGrebogiFeudeletal.1998,
  author    = {Lai, Ying Cheng and Grebogi, Celso and Feudel, Ulrike and Witt, Annette},
  title     = {Basin bifurcation in quasiperiodically forced systems},
  year      = {1998},
  language  = {en}
}
@article{KarolyiPentekToroczkaietal.1998,
  author    = {Karolyi, Gy{\"o}rgy and Pentek, Aron and Toroczkai, Zolt{\´a}n and T{\´e}l, T{\´o}mas and Grebogi, Celso},
  title     = {Advection of active particles in open chaotic flows},
  issn      = {0031-9007},
  year      = {1998},
  language  = {en}
}