@article{ref1,
title="Topography of the human motor potential",
journal="Electroencephalography and clinical neurophysiology",
year="1968",
author="Vaughan, H. G. Jr and Costa, L. D. and Ritter, W.",
volume="25",
number="1",
pages="1-10",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0013-4694",
doi="",
url="http://dx.doi.org/"
}