@Article{GKK08,
  author =	 {Rachid Guerraoui and Micha\l{} Kapa\l{}ka and Petr
                  Kouznetsov},
  title =	 {The Weakest Failure Detectors to Boost
                  Obstruction-Freedom},
  journal =	 {Distributed Computing},
  volume =	 20,
  number =	 6,
  pages =	 {415--433},
  year =	 2008
}