@article{ref1,
title="On anxiety and melancholia",
journal="Psychiatria et Neurologia",
year="1964",
author="Kahn, E.",
volume="148",
number="",
pages="321-332",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0370-1956",
doi="",
url="http://dx.doi.org/"
}