@article{ref1,
title="Physical fitness and eustress in the adventure activities of rock climbing and rappelling",
journal="Journal of sports medicine and physical fitness",
year="1986",
author="Bunting, C. J. and Little, M. J. and Tolson, H. and Jessup, G.",
volume="26",
number="1",
pages="11-20",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4707",
doi="",
url="http://dx.doi.org/"
}