@Book{DistCtrlRobotNetw, author = {F. Bullo and J. Cort\'es and S. Mart{\'\i}nez}, title = {Distributed Control of Robotic Networks}, publisher = {Princeton University Press}, series = {Applied Mathematics Series}, year = 2009, isbn = {978-0-691-14195-4}, note = {To appear. Electronically available at http:/$\!$/coordinationbook.info} }