@article{ref1,
title="On the characteristics of central european heat wave periods",
journal="Wiener Medizinische Wochenschrift",
year="1964",
author="Topitz, A.",
volume="114",
number="",
pages="217-219",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0043-5341",
doi="",
url="http://dx.doi.org/"
}