@article{ref1,
title="Relationship between aggression of preschoolers and teachers' sex",
journal="Psychological reports",
year="1978",
author="Harden, R. R. and Jacob, S. H.",
volume="43",
number="3",
pages="1172-1174",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}