1. Richard Bruce Austin, Impartial and partisan games, M.Sc. thesis, The Univ. of Calgary, 1976.
2. E. R. Berlekamp, J. H. Conway, and R. K. Guy, Winning Ways for Your Mathematical Plays, Academic Press, London, 1982.
3. J. H. Conway, On Numbers and Games, Academic Press, London, 1976.
4. Weighted majority games have many ?-values
5. The G-values of various games