@article{ref1,
title="Electroencephalographic changes in boxers",
journal="Psychiatria Polska",
year="1969",
author="Gatarski, J.",
volume="3",
number="4",
pages="451-455",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0033-2674",
doi="",
url="http://dx.doi.org/"
}