@article{ref1,
title="Effects of extraneous stimulation on afterimage adaptation",
journal="Acta psychologica",
year="1971",
author="Smith, G. J. and Sjöholm, L. and Andersson, A. L.",
volume="35",
number="2",
pages="138-150",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}