@article{ref1,
title="Biomechanical evaluations of sports protective equipment",
journal="Exercise and sport sciences reviews",
year="1983",
author="Norman, R. W.",
volume="11",
number="",
pages="232-274",
abstract="Abstract unavailable.",
language="",
issn="0091-6331",
doi="",
url="http://dx.doi.org/"
}