@article{ref1,
title="Authors' response to "comments on 'Biomechanics and muscle coordination of human walking: Parts I and II'"",
journal="Gait and posture",
year="2004",
author="Zajac, FE and Neptune, Richard R. and Kautz, Steven A.",
volume="19",
number="2",
pages="208-209",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0966-6362",
doi="",
url="http://dx.doi.org/"
}