Aziz, H., Gaspers, S., Mattei, N., Narodytska, N. and Walsh, T. (2013) “Ties Matter: Complexity of Manipulation when Tie-Breaking with a Random Vote”, Proceedings of the AAAI Conference on Artificial Intelligence, 27(1), pp. 74-80. doi: 10.1609/aaai.v27i1.8701.