@article{BragardMontbrioMendozaetal.2005,
  author    = {Jean Bragard and Ernest Montbrio and C. Mendoza and Stefano Boccaletti and Bernd Blasius},
  title     = {Defect-enhanced anomaly in frequency synchronization of asymmetrically coupled spatially extended systems},
  url       = {http://www.agnld.uni-potsdam.de/~bernd/papers/pre4.pdf},
  year      = {2005},
}