@article{ref1,
title="Factor analysis of neuropsychological tests",
journal="Perceptual and motor skills",
year="1969",
author="Crockett, D. and Klonoff, Harry and Bjerring, J.",
volume="29",
number="3",
pages="791-802",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}