1. Bhatia, K., Marzullo, K., Alvisi, L.: Scalable causal message logging for wide-area environments. Concurrency and Computation: Practice and Experience 15(10), 873–889 (2003)
2. Corbett, J., Dean, J., et al.: Spanner: Google’s globally-distributed database. In: Proceedings of OSDI (2012)
3. Demirbas, M., Kulkarni, S.: Beyond truetime: Using augmentedtime for improving google spanner. In: Workshop on Large-Scale Distributed Systems and Middleware (LADIS) (2013)
4. Dijkstra, E.W.: Self-stabilizing systems in spite of distributed control. Communications of the ACM 17(11) (1974)
5. Du, J., Elnikety, S., Roy, A., Zwaenepoel, W.: Orbe: Scalable causal consistency using dependency matrices and physical clocks. In: Proceedings of the 4th Annual Symposium on Cloud Computing, SOCC 2013, pp. 11:1–11:14. ACM, New York (2013),
http://doi.acm.org/10.1145/2523616.2523628