@article{ref1,
title="Stereoscopic thresholds as a function of head- and object-orientation",
journal="Vision research",
year="1965",
author="Ebenholtz, S. M. and Walchli, R. M.",
volume="5",
number="7",
pages="455-461",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}