@article{ref1,
title="Some additive results in short term memory",
journal="Acta psychologica",
year="1967",
author="Harrison, G. J.",
volume="27",
number="",
pages="306-315",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}