@phdthesis{labella2007division,
  author = {Labella, Thomas Halva},
  title = {{Division of Labour in Groups of Robots}},
  advisor = {Dorigo, Marco and Dressler, Falko},
  institution = {Faculte des Sciences Appliquees},
  month = {3},
  school = {Universit{\'{e}} Libre de Bruxelles},
  type = {PhD Thesis},
  year = {2007},
}