@article{ref1,
title="Analysis of the safety of traffic from the structural standpoint",
journal="IATSS research",
year="1977",
author="Okada, K.",
volume="1",
number="1",
pages="72-80",
abstract="What characteristically underlines the traffic safety of today is the need to consider it in light of a social system rather than just a technical problem particular emphasis is placed, in this paper, on putting forward that the process of traffic should be analyzed by classifying it into the following three items: the safety condition; the behavioral safety; and the performance of safety.<p />",
language="",
issn="0386-1112",
doi="",
url="http://dx.doi.org/"
}