@article{ref1,
title="Effect of aging on the formation of sequential and spatial concepts",
journal="Perceptual and motor skills",
year="1961",
author="Talland, George A.",
volume="13",
number="2",
pages="210-210",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0031-5125",
doi="10.2466/pms.1961.13.2.210",
url="http://dx.doi.org/10.2466/pms.1961.13.2.210"
}