@article{ref1,
title="Modern diving and submarine problems",
journal="Militaerlaegen",
year="1950",
author="Severin, G.",
volume="56",
number="1",
pages="1-20",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0026-3834",
doi="",
url="http://dx.doi.org/"
}