S. Tasharofi, M. Pradel, Y. Lin, and R. Johnson. 2013 28th IEEE/ACM International Conference on Automated Software Engineering, page 114-124. (November 2013)
I. Cassar, and A. Francalanza. Proceedings 13th International Workshop on Foundations of Coordination Languages and Self-Adaptive Systems, page 54--68. (September 2014)