@article{ref1,
title="Ethological observations of aggressive and cohesive behaviors during class hours",
journal="Aggressive behavior",
year="1984",
author="Mendoza, DL and Ramirez, J. Martín",
volume="10",
number="2",
pages="162-162",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}