@article{ref1,
title="The relationship between optical distortion and binocular depth perception. NASA TN D-5162",
journal="Technical Note, United States, National Aeronautics and Space Administration",
year="1969",
author="Loper, L. R. and Stout, R. C.",
volume="ePub",
number="ePub",
pages="1-8",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}