@inbook{Vaupel1997,
author = {Vaupel, J.W.},
title= {Trajectories in mortality in advanced ages},
year = {1997},
editor = {Wachter, K.W.},
editor = {Finch, C.E.},
booktitle = {Between Zeus and the Salmon: The biodemography of longevity},
address = {Washington, D.C.},
publisher = {National Academy Press},
pages = {17‒37},
}