@article{ref1,
title="A group member's suicide: treating collective trauma",
journal="International journal of group psychotherapy",
year="1973",
author="Kibel, H. D.",
volume="23",
number="1",
pages="42-53",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0020-7284",
doi="",
url="http://dx.doi.org/"
}