Flávio S. Corrêa da Silva Renata Wassermann Ana Cristina Vieira de Melo Leliane Nunes de Barros Marcelo Finger Intelligent mobile multi-robotic systems: some challenges and possible solutions. 479-485 2005 conf/icinco/2005 ICINCO db/conf/icinco/icinco2005.html#SilvaWMBF05