@Article{Gross-etal06:ieee_tro,
  author = 	 {R.~Gro{\ss} and M.~Bonani and F.~Mondada and M.~Dorigo},
  title = 	 {Autonomous Self-Assembly in Swarm-Bots},
  journal = 	 {{IEEE} Transactions on Robotics},
  year = 	 2006,
  volume = 	 {22},
  number = 	 {6},
  pages = 	 {1115--1130}
}