@inproceedings{Shapiro2011,
  author    = {Marc Shapiro and Nuno Preguiça and Carlos Baquero and Marek Zawirski},
  title     = {A comprehensive study of Convergent and Commutative Replicated Data Types},
  booktitle = {[Research Report] RR-7506, Inria – Centre Paris-Rocquencourt},
  pages     = {50},
  year      = {2011},
}

@inproceedings{CRDT2011,
  author    = {Marc Shapiro, Nuno Preguiça, Carlos Baquero and Marek Zawirski},
  title     = {Conflict-free Replicated Data Types},
  booktitle = {[Research Report] RR-7687, INRIA},
  year      = {2011},
  pages     = {18},
}