TY - JOUR A1 - Yashin, A.I. A1 - Vaupel, J.W. A1 - Iachine, I.A. T1 - A duality in aging: the equivalence of mortality models based on radically different concepts Y1 - 1994 DO - 10.1016/0047-6374(94)90094-9 JF - Mechanisms of Ageing and Development VL - 74 IS - 1-2 SP - 1 EP - -14 ER -