@article{ref1,
title="Some recent experiments on learning and their training implications",
journal="Ergonomics",
year="1968",
author="Singleton, W. T.",
volume="11",
number="1",
pages="53-59",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-0139",
doi="",
url="http://dx.doi.org/"
}