Miguel CorreiaNuno Ferreira NevesPaulo VerĂssimo2010-05-212014-11-142010-05-212014-11-1420042004http://hdl.handle.net/10451/14609http://repositorio.ul.pt/handle/10455/6213engComputer ScienceFrom Consensus to Atomic Broadcast: Time-Free Byzantine-Resistant Protocols without Signaturesjournal article