@article{ref1,
title="The repetition of child abuse: How frequently does it occur?",
journal="Child abuse and neglect",
year="1979",
author="Herrenkohl, R. C. and Herrenkohl, E. C. and Egolf, Brenda P. and Seech, M",
volume="3",
number="1",
pages="67-72",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0145-2134",
doi="",
url="http://dx.doi.org/"
}