[1]Milton J G, Belair J. Chaos, noise, and extinction in models of population growth. Theoret Population Biol, 1990, 37(2): 273-290
[2]Franke J E, Yakubu A A. Extinction in systems of bobwhite quail population. Canadian Applied Mathe-matics Quarterly, 1995, 3(2): 173-201
[3]Ladas G. Open problems and Conjectures. In: Proceedings of the First International Conference on Difference Equations and Applications. Basel: Gorden and Breach Publishers, 1995
[4]Tang Hengsheng, Ou Chunhua, Luo Wei, Li Xianyi. Some Properties of a Kind of Difference Equations.Ann Diff Eqs, 1996, 12(3): 335-340
[5]Cheng Anping. Oscillation and global attractivity in a bobwhite quail model with delay. Journal of Biomathematics, 1999,14(2): 157-164
[6]Kocic V L, Ladas G. Global behavior of nonlinear difference equations of higher order with applications.Kluwer Academic Publishers, 1993
[7]Gyori I, Ladas G. Oscillation Theory of Delay Differential Equations with Applications. London: Oxford University Press, 1991
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