@article{ref1,
title="Behavior problems of normal children: a comparison between the lay literature and developmental research",
journal="Child development",
year="1964",
author="Marshall, H. H.",
volume="35",
number="",
pages="469-478",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}