@inproceedings{CTT100568623,
  author = {Yuji Igarashi and Takeshi Hatanaka and Masayuki FUJITA and Mark Spong},
  title = {Passivity-based Output Synchronization and Flocking Algorithm in SE(3)},
  booktitle = {Proc. of the 47th IEEE Conference on Decision and Control},
  year = 2008,
}