@Misc{Ramos06,
  author = {Ramos, Vitorino and Fernandes, Carlos and Rosa, Agostinho C.},
  title  = {On Self-Regulated Swarms, Societal Memory, Speed and Dynamics},

  year   = {2006},
  number = {},
  url    = {http://arxiv.org/abs/cs/0512002},

  const  = {\ text}
}
@Techreport{Ramos05,
  author = {Ramos, Vitorino and Fernandes, Carlos and Rosa, Agostinho C.},
  title  = {Social Cognitive Maps, Swarm Collective Perception and Distributed Search on Dynamic Landscapes},

  year   = {2005},
  number = {CVRM-IST 127E-2005},
  url    = {http://arxiv.org/abs/nlin/0502057},

  const  = {\ text}
}