@article{ref1,
title="Age differences on the bender visual-motor gestalt test and the archimedes spiral test",
journal="Journal of gerontology",
year="1965",
author="Gilbert, J. G. and Levee, R. F.",
volume="20",
number="",
pages="196-200",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1422",
doi="",
url="http://dx.doi.org/"
}