@article{ref1,
title="The assumption of motor primacy and its significance for behavioral development",
journal="Journal of genetic psychology",
year="1953",
author="Bousfield, W. A.",
volume="83",
number="1",
pages="79-88",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1325",
doi="",
url="http://dx.doi.org/"
}