@article{ref1,
title="Some principles of self contained underwater breathing apparatus",
journal="Science",
year="1958",
author="Mackay, R. S.",
volume="128",
number="3330",
pages="1001-1002",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-8075",
doi="",
url="http://dx.doi.org/"
}