@article{ref1,
title="Marking for the elderly driver in Japan -- background, experiment, and analysis",
journal="IATSS research",
year="1989",
author="Shimizu, K. and Kimura, K.",
volume="13",
number="2",
pages="15-20",
abstract="The aim of this paper is to present the background and analysis of the effectiveness of a marking used on automobiles driven by elderly persons in Japan, the &quot;Silver Mark&quot; or &quot;Elderly Driver Mark&quot;. The population of 65 years and older has grown to 13.5 million which constitutes 11.2% of the total Japanese population.  At the same time, the number of elderly persons who own automobiles has increased remarkably.<p />",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}