@inbook{Lam2003,
author = {Lam, D.},
title= {Evolutionary biology and rational choice in models of fertility},
year = {2003},
editor = {Wachter, K.W. },
editor = {Bulatao, R.},
booktitle = {Offspring. Human Fertility Behaviour in Biodemographic Perspective},
address = {Washington, DC, USA},
publisher = {the National Academic Press},
pages = {322--338},
}