@article{ref1,
title="Underwater swimming",
journal="Annali di Medicina Navale",
year="1956",
author="Tatarelli, G.",
volume="61",
number="6",
pages="727-743",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0392-9418",
doi="",
url="http://dx.doi.org/"
}