@article{ref1,
title="Facilitation effect of background light on target detection: a test of theories of absolute threshold",
journal="Vision research",
year="1966",
author="Baumgardt, E. and Smith, Stephen W.",
volume="5",
number="5",
pages="299-312",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0042-6989",
doi="",
url="http://dx.doi.org/"
}