@article{ref1,
title="Cognition of expected and unexpected relations",
journal="Perceptual and motor skills",
year="1963",
author="Rommetveit, Ragnar",
volume="17",
number="2",
pages="396-396",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0031-5125",
doi="10.2466/pms.1963.17.2.396",
url="http://dx.doi.org/10.2466/pms.1963.17.2.396"
}