@inbook{Preston1980,
author = {Preston, S.H.},
title= {Causes and consequences of mortality decline in less developed countries during the twentieth century},
year = {1980},
editor = {Easterlin, R.A.},
booktitle = {Population and economic change in developing countries},
address = {Chicago},
publisher = {University of Chicago Press},
pages = {289--360},
}