@article{ref1,
title="Perceptual and response hierarchies in object identification",
journal="Acta psychologica",
year="1967",
author="Wingfield, A.",
volume="26",
number="3",
pages="216-226",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}