1. Albert, M.H., Nowakowski, R.J., Wolfe, D.: Lessons in Play: An Introduction to Combinatorial Game Theory. AK Peters, Wellesley (2007)
2. Berlekamp, E.R., Conway, J.H., Guy, R.K.: Winning Way for Your Mathematical Plays. AK Peters, Wellesley (2001)
3. Cincotti, A.: Three-player partizan games. Theoret. Comput. Sci. 332(1–3), 367–389 (2005)
4. Cincotti, A.: Three-player Hackenbush played on strings is
$\mathcal{NP}$
-complete. In: Ao, S.I., Castillo, O., Douglas, C., Feng, D.D., Lee, J. (eds.) Lecture Notes in Engineering and Computer Science: Proceedings of the International MultiConference of Engineers and Computer Scientists 2008, IMECS 2008, Hong Kong, 19–21 March 2008, pp. 226–230 (2008). Newswood Limited
5. Cincotti, A.: On the complexity of n-player Hackenbush. Integers 9, 621–627 (2009)