J. De Koster, T. Van Cutsem, and W. De Meuter. Proceedings of the 6th International Workshop on Programming Based on Actors, Agents, and Decentralized Control, page 31--40. ACM, (2016)
R. Karmani, A. Shali, and G. Agha. PPPJ '09: Proceedings of the 7th International Conference on Principles and Practice of Programming in Java, page 11--20. New York, NY, USA, ACM, (2009)