@article{ref1,
title="EEG changes during children's play",
journal="Zhurnal vyssheĭ nervnoĭ deyatelnosti imeni I P Pavlova",
year="1973",
author="Brensted, A. N.",
volume="23",
number="3",
pages="647-650",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0044-4677",
doi="",
url="http://dx.doi.org/"
}