@article{ref1,
title="Depth limits of breath hold diving (an example of Fennology)",
journal="Respiration physiology",
year="1968",
author="Craig, A. B.",
volume="5",
number="1",
pages="14-22",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0034-5687",
doi="",
url="http://dx.doi.org/"
}