@article{ref1,
title="Psychological estimation of the professional fitness of candidates for work at sea",
journal="Biuletyn Instytutu Medycyny Morskiej w Gda'nsku",
year="1974",
author="Kościelak, R.",
volume="25",
number="1",
pages="13-21",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-4463",
doi="",
url="http://dx.doi.org/"
}