@article{ref1,
title="Suicidal attempts and good-bye letters of adolescents",
journal="Nervenarzt",
year="1976",
author="Biener, K. and Burger, C.",
volume="47",
number="3",
pages="179-185",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0028-2804",
doi="",
url="http://dx.doi.org/"
}