@article{ref1,
title="Parental punishment. A longitudinal analysis of effects",
journal="Archives of general psychiatry",
year="1978",
author="Lefkowitz, M. M. and Huesmann, L. Rowell and Eron, L. D.",
volume="35",
number="2",
pages="186-191",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-990X",
doi="",
url="http://dx.doi.org/"
}