@article{ref1,
title="Normal adolescent mourning",
journal="American journal of psychotherapy",
year="1968",
author="Sugar, M.",
volume="22",
number="2",
pages="258-269",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9564",
doi="",
url="http://dx.doi.org/"
}