@article{ref1,
title="Depression and suicide in the dark months",
journal="Perceptual and motor skills",
year="1997",
author="Kunz, P. R. and Kunz, J.",
volume="84",
number="2",
pages="537-538",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}