@article{ref1,
title="Respiratory rate and heart rate in optical information processing efforts (selective reaction tests)",
journal="Zeitschrift fur die Gesamte Hygiene und Ihre Grenzgebiete",
year="1973",
author="Seyer, G. and Küchler, G.",
volume="19",
number="1",
pages="49-51",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0049-8610",
doi="",
url="http://dx.doi.org/"
}