@article{ref1,
title="Bullying at school: A pilot study using semi-structured interviews",
journal="Aggressive behavior",
year="2001",
author="Gutierrez, Hector and Barrios, A and van der Meulen, K and Hoyos, O and del Barrio, C",
volume="27",
number="3",
pages="199-199",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}