@article{ref1,
title="The projection: an instrument for facilitating studies in human movement",
journal="Perceptual and motor skills",
year="1963",
author="Smith, H. M. and Clifton, M. A.",
volume="16",
number="1",
pages="55-58",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1963.16.1.55",
url="http://dx.doi.org/10.2466/pms.1963.16.1.55"
}