@article{ref1,
title="Aniseikonia. II. The influence of vertical and horizontal aniseikonia on the orientation of longitudinal horopters",
journal="Acta psychologica",
year="1974",
author="van der Meer, H. C.",
volume="38",
number="4",
pages="303-314",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0001-6918",
doi="",
url="http://dx.doi.org/"
}