@article{ref1,
title="Father absence and male aggression: A re-examination of the comparative evidence",
journal="Aggressive behavior",
year="2001",
author="Ember, C. R. and Ember, M.",
volume="27",
number="3",
pages="244-245",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}