@article{ref1,
title="Bullying in Spanish secondary schools",
journal="Aggressive behavior",
year="2001",
author="del Barrio, C and Martin, Estelle and Fernandez, Liria and Montero, Luisa and Gutierrez, Hector",
volume="27",
number="3",
pages="252-253",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}