@article{ref1,
title="Compendium of energy costs for various human activities",
journal="Medicine and science in sports and exercise",
year="1993",
author="Bredle, D. L.",
volume="25",
number="10",
pages="1192-1192",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0195-9131",
doi="",
url="http://dx.doi.org/"
}