@article{ref1,
title="Fourier analysis of forces exerted in walking and running",
journal="Journal of biomechanics",
year="1980",
author="Alexander, Robert M. and Jayes, A. S.",
volume="13",
number="4",
pages="383-390",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9290",
doi="",
url="http://dx.doi.org/"
}