@article{ref1,
title="Promoting child passenger safety: A comparison of two positive methods",
journal="Journal of safety research",
year="1989",
author="Roberts, M. C. and Layfield, D. A.",
volume="20",
number="1",
pages="42-42",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}