@article{ref1,
title="Vigilance variations studied with electroencephalography",
journal="Bulletin of the Institute of Maritime and Tropical Medicine in Gdynia",
year="1983",
author="Dolmierski, R. and Matousek, M. and Petersen, I. and de Walden-Gałuszko, K",
volume="34",
number="1-2",
pages="41-48",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0324-8542",
doi="",
url="http://dx.doi.org/"
}