@article{ref1,
title="The relationships between length of stride, step frequency, time of swing and speed of walking for children and adults",
journal="Ergonomics",
year="1966",
author="Grieve, D. W. and Gear, R. J.",
volume="9",
number="5",
pages="379-399",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}