@article{ref1,
title="A Multiple Factor Analysis of Mental Abilities in the Freshman Engineering Curriculum",
journal="Journal of psychology, The",
year="1940",
author="Sisk, Henry L.",
volume="9",
number="1",
pages="165-177",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3980",
doi="10.1080/00223980.1940.9917684",
url="http://dx.doi.org/10.1080/00223980.1940.9917684"
}