@inbook{Easterlin1969,
author = {Easterlin, R.A.},
title= {Towards a socioeconomic theory of fertility: A survey of recent research on economic factors in American fertility},
year = {1969},
editor = {Behrman, S.J.},
editor = {Corsa, Jr. L.},
editor = {Freeman, R.},
booktitle = {Fertility and family planning: A world view},
address = {Ann Arbor},
publisher = {University of Michigan Press},
pages = {127--156},
}