@article{ref1,
title="Conditioned avoidance reactions to painful stimulation of another individual",
journal="Zhurnal vyssheĭ nervnoĭ deyatelnosti imeni I P Pavlova",
year="1970",
author="Preobrazhenskaia, L. A. and Simonov, P. V.",
volume="20",
number="2",
pages="379-385",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0044-4677",
doi="",
url="http://dx.doi.org/"
}