@article{ref1,
title="Rating Television Programs for Violence: Comparison of Five Surveys",
journal="Journal of broadcasting",
year="1973",
author="Coffin, Thomas E. and Tuchman, Sam",
volume="17",
number="1",
pages="3-20",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0021-938X",
doi="",
url="http://dx.doi.org/"
}