@article{MontbrioKurthsBlasius2004,
  author    = {Ernest Montbrio and J{\"u}rgen Kurths and Bernd Blasius},
  title     = {Synchronization of two interacting populations of oscillators},
  url       = {http://www.agnld.uni-potsdam.de/~bernd/papers/pre3.pdf},
  year      = {2004},
}