@article{ref1,
title="Observed child restraint use in automobiles. 1976",
journal="Injury prevention",
year="1998",
author="Williams, Allan F.",
volume="4",
number="2",
pages="155-160",
abstract="Abstract unavailable.",
language="en",
issn="1353-8047",
doi="",
url="http://dx.doi.org/"
}