@article{ref1,
title="Some effects of amount of verbal pretraining and availability of verbal labels upon performance in a discriminative motor task",
journal="Perceptual and motor skills",
year="1968",
author="Marshall, M. E.",
volume="26",
number="1",
pages="27-39",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0031-5125",
doi="",
url="http://dx.doi.org/"
}