The Game of Reciprocation Habits
G. Polevoy, M.M. de Weerdt, C.M. Jonker, in: Proceedings of the 2016 European Conference on Artificial Intelligence, 2016, pp. 417–425.

The Convergence of Reciprocation
G. Polevoy, M. de Weerdt, C. Jonker, in: Proceedings of the 2016 International Conference on Autonomous Agents and Multiagent Systems, International Foundation for Autonomous Agents and Multiagent Systems, Richland, SC, 2016, pp. 1431–1432.