TY - JOUR A1 - Manton, K.G. A1 - Stallard, E. A1 - Vaupel, J.W. T1 - Alternative Models for the Heterogeneity of Mortality Risks among the Aged Y1 - 1986 DO - 10.1080/01621459.1986.10478316 JF - Journal of the American Statistical Association VL - 81 IS - 395 SP - 635 EP - -644 ER -