1. T. Faria, Global attractivity in scalar delayed differential equations with applications to population models, to appear in J. Math. Anal. Appl.
2. Mathematics in Science and Engineering;Kuang, Yang,1993
3. On the stability of a delay differential population model;Ch’ên, Ming Po;Nonlinear Anal.,1995
4. Global stability for a general population model with time delays;So, Joseph W.-H.,1999
5. Asymptotic stability for scalar delay differential equations;So, Joseph W.-H.;Funkcial. Ekvac.,1996