@article{ref1,
title="Human aggression; attempt at a behavior-physiological differentiation",
journal="Zeitschrift für Psychotherapie und medizinische Psychologie",
year="1967",
author="Bilz, R.",
volume="17",
number="5",
pages="157-177",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-3417",
doi="",
url="http://dx.doi.org/"
}