@article{ref1,
title="On doing two things at once. II. Elimination of the psychological refractory period effect",
journal="Journal of experimental psychology",
year="1973",
author="Greenwald, Anthony G. and Shulman, H. G.",
volume="101",
number="1",
pages="70-76",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1015",
doi="",
url="http://dx.doi.org/"
}