@article{ref1,
title="The hysteresis visual memory",
journal="Activitas nervosa superior",
year="1989",
author="Radil, T. and Nyman, G. and Laurinen, Pentti I. and Haikonen, Sari",
volume="31",
number="2",
pages="143-144",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-7604",
doi="",
url="http://dx.doi.org/"
}