@article{ref1,
title="Basic kinematics of walking. Step length and step frequency. A review",
journal="Journal of sports medicine and physical fitness",
year="1994",
author="Zatsiorky, V. M. and Werner, S. L. and Kaimin, M. A.",
volume="34",
number="2",
pages="109-134",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4707",
doi="",
url="http://dx.doi.org/"
}