@article{ref1,
title="Relationship of intelligence, visual-motor skills, and psycholinguistic abilities with achievement in the third, fourth, and fifth grades: a follow-up study",
journal="Journal of educational psychology",
year="1972",
author="Duffy, O. B. and Clair, T. N. and Egeland, Byron and Dinello, M.",
volume="63",
number="4",
pages="358-362",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-0663",
doi="",
url="http://dx.doi.org/"
}