@article{ref1,
title="Effects of redundancy level and presentation method on the paired-associate learning of educable retardates, third graders, and eight graders",
journal="Journal of experimental psychology",
year="1972",
author="Spitz, H. H.",
volume="95",
number="1",
pages="164-170",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}