@article{Manton1991,
author = {Manton, K.G. and Stallard, E. and Tolley, H.D.},
title= {Limits to human life expectancy: Evidence, prospects, and implications},
year = {1991},
doi = {10.2307/1973599},
journal = {Population and Development Review},
volume = {17},
number = {4},
pages = {603‒637},
}