1. Complex Analysis;Ahlfors,1966
2. A. Baker, The theory of linear forms in logarithms, in: A. Baker, D.W. Masser (Eds), Transcendence Theory, Advances and Applications, Academic Press, New York, 1977.
3. The annihilator of a knot module;Crowell;Proc. Amer. Math. Soc.,1964
4. The derived group of a permutation representation;Crowell;Adv. in Math.,1984
5. Heights of Polynomials and Entropy in Algebraic Dynamics;Everest,1999