1. R.P. Agarwal, Difference Equations and Inequalities, Marcel Dekker, New York, 1992
2. Occurrence of chaos in higher-dimensional discrete-time systems;Dohtani;SIAM J. Appl. Math.,1992
3. S. Elaydi, Stability of Volterra difference equations of convolution type, in: Liao Shan-Tao et al. (Eds.), Proceedings of the Special Program at Nankai Institute of Mathematics, World Scientific, Singapore, 1993
4. S. Elaydi, An Introduction to Difference Equations, Springer, New York, 1996
5. M.E. Fisher, Analysis of difference equation models in population dynamics, Ph.D. thesis, University of Western Australia, 1982