@article{ref1,
title="Studies on human physical capability and gross energy transfer during industrial and traditional work in tropical climate",
journal="Zeitschrift für Tropenmedizin und Parasitologie",
year="1970",
author="Haas, J.",
volume="21",
number="3",
pages="267-306",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-359X",
doi="",
url="http://dx.doi.org/"
}