@article{ref1,
title="Evaluation of the operations changeable message signboards making use of an analytic hierarchy process",
journal="Transportation and traffic theory",
year="1999",
author="Makigami, Yasuji and Murata, Hiroyuki",
volume="14",
number="",
pages="103-129",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}