@article{ref1,
title="Decline of human behavior as seen in motor stereotypy",
journal="Deutsches Medizinisches Journal",
year="1957",
author="Ploog, D.",
volume="8",
number="5",
pages="261-262",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0012-1320",
doi="",
url="http://dx.doi.org/"
}