@article{ref1,
title="The spatial organization of motor units and the origin of different types of potential",
journal="Annals of physical medicine",
year="1967",
author="Beardwell, A.",
volume="9",
number="4",
pages="139-157",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0365-5547",
doi="",
url="http://dx.doi.org/"
}