@article{Manton1981,
author = {Manton, K.G. and Stallard, E.},
title= {Methods for evaluating the heterogeneity of aging processes in human populations using vital statistics data: Explaining the black/white mortality crossover by a model of mortality selection},
year = {1981},
journal = {Human Biology},
volume = {53},
number = {1},
pages = {47--67},
}