@article{TassRosenblumWeuleetal.1998,
  author    = {Peter Tass and Michael Rosenblum and J. Weule and J{\"u}rgen Kurths and Arkadij Pikovskij and J. Volkmann and A. Schnitzler and H.-J. Freund},
  title     = {Detection of n:m phase locking from noisy data : application to magnetoencephalography},
  year      = {1998},
}