@article{ref1,
title="Acquisition and long-term retention of a simple serial perceptual-motor skill",
journal="Journal of experimental psychology",
year="1957",
author="Neumann, E. and Ammons, R. B.",
volume="53",
number="3",
pages="159-161",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}