@article{ref1,
title="Analysis of Sun Phantom in Road Traffic Signal Lights",
journal="Australian road research",
year="1969",
author="Cole, Barry L. and Brown, Ben",
volume="3",
number="10",
pages="36-49",
abstract="Study deals with traffic signal heads of type used throughout Australia; signal has optical system comprising paraboloid mirror with incandescent lamp at its focus; aperture of mirror is covered with zero power meniscus lens placed with its convex side out; attempt was made to identify sources of sun phantom and assess contribution of each to total sun phantom intensity by both calculation and measurement; measurements were made for three indication traffic signal head of type described.   <p>Language: en</p>",
language="en",
issn="0005-0164",
doi="",
url="http://dx.doi.org/"
}