@article{ref1,
title="Prognostic identification of violent mother-child relationships",
journal="Aggressive behavior",
year="1989",
author="Engfer, A. and Gravranidou, M and Heinig, L",
volume="15",
number="1",
pages="55-55",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}