@article{ref1,
title="Advances in Life Course Research, Vol. 7",
journal="Contemporary sociology",
year="2004",
author="Curtis, Russell L.",
volume="33",
number="4",
pages="431-433",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0094-3061",
doi="10.1177/009430610403300418",
url="http://dx.doi.org/10.1177/009430610403300418"
}