@article{ChrOgrDor2007:ram,
  author = {Christensen, A.~L. and O'Grady, R. and Dorigo, M.},
  title = {Morphology Control in Multirobot System},
  journal = {{IEEE} Robotics and Automation Magazine},
  volume = {14},
  number = 4,
  pages = {18--25},
  year = {2007}
}