@article{ref1,
title="Births, marriages, divorces, and deaths: provisional data for September 2001",
journal="National vital statistics reports : from the Centers for Disease Control and Prevention, National Center for Health Statistics, National Vital Statistics System",
year="2002",
author="",
volume="50",
number="8",
pages="1-3",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1551-8922",
doi="",
url="http://dx.doi.org/"
}