@inbook{Thomson2001,
author = {Thomson, E.},
title= {Value of children},
year = {2001},
editor = {Smelser, N.J.},
editor = {Baltes, P.B.},
booktitle = {International Encyclopedia of the Social and Behavioral Sciences, Vol. 8},
address = {Amsterdam (and others)},
publisher = {Elsevier},
pages = {1725--1729},
}