@article{ref1,
title="Bystander's intervention in situations of violence",
journal="Psychological reports",
year="1979",
author="Schreiber, E.",
volume="45",
number="1",
pages="243-246",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}