@article{ref1,
title="On the robustness of the additive factors stage structure in blocked and mixed choice reaction designs",
journal="Acta psychologica",
year="1988",
author="Van Duren, L. L. and Sanders, A. F.",
volume="69",
number="1",
pages="83-94",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}