@article{ParkRosenblumKurthsetal.1999,
  author    = {Park, Eun Hyoung and Rosenblum, Michael and Kurths, J{\"u}rgen and Zaks, Michael A.},
  title     = {Alternating locking ratios in imperfect phase synchronization},
  year      = {1999},
  language  = {en}
}
@article{ZaksParkKurths2000,
  author    = {Zaks, Michael A. and Park, Eun Hyoung and Kurths, J{\"u}rgen},
  title     = {On phase synchronization by periodic force in chaotic oscillators with saddle equilibria},
  year      = {2000},
  language  = {en}
}
@article{ParkZaksKurths1999,
  author    = {Park, Eun Hyoung and Zaks, Michael A. and Kurths, J{\"u}rgen},
  title     = {Phase synchronization in the forced lorenz system},
  year      = {1999},
  language  = {en}
}
@phdthesis{Park2000,
  author    = {Park, Eun Hyoung},
  title     = {Synchronization of chaotic systems by periodic external force: interpretation in terms of unstable periodic orbits},
  pages     = {100 S.},
  year      = {2000},
  language  = {en}
}