@article{ref1,
title="Modification of signal significance of stimuli related to conditioned motor reflexes",
journal="Zhurnal vyssheĭ nervnoĭ deyatelnosti imeni I P Pavlova",
year="1952",
author="Norkina, L. N.",
volume="2",
number="5",
pages="760-765",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0044-4677",
doi="",
url="http://dx.doi.org/"
}