@article{ref1,
title="Causes of maltreatment of children by their mothers",
journal="Acta paedopsychiatrica",
year="1962",
author="Niedermeyer, K.",
volume="29",
number="",
pages="375-385",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0001-6586",
doi="",
url="http://dx.doi.org/"
}