@article{ref1,
title="Promoting child passenger safety: a comparison of two positive methods",
journal="Journal of pediatric psychology",
year="1987",
author="Roberts, M. C. and Layfield, D. A.",
volume="12",
number="2",
pages="257-271",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0146-8693",
doi="",
url="http://dx.doi.org/"
}