@article{ref1,
title="Brightness and discriminability of light flashes",
journal="Vision research",
year="1965",
author="Nachmias, J. and Steinman, R. M.",
volume="5",
number="9",
pages="545-557",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}