@article{ref1,
title="Limitations of the human organism. Analysis of world records and Olympic performance",
journal="JAMA journal of the American Medical Association",
year="1968",
author="Craig, A. B.",
volume="205",
number="11",
pages="734-740",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}