TY - JOUR A1 - Li, T. A1 - Anderson, J.J. T1 - The vitality model: A way to understand population survival and demographic heterogeneity Y1 - 2009 DO - 10.1016/j.tpb.2009.05.004 JF - Theoretical Population Biology VL - 76 IS - 2 SP - 118 EP - -131 ER -