@article{ref1,
title="Mental diseases among Norwegian seamen",
journal="Biuletyn Instytutu Medycyny Morskiej w Gda'nsku",
year="1966",
author="Tenfjord, O. W.",
volume="17",
number="3",
pages="373-377",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0020-4463",
doi="",
url="http://dx.doi.org/"
}