@article{ref1,
title="Use of headway and run-curve resolution system (herucures) begins /",
journal="Japanese railway engineering",
year="1993",
author="Akatsu, Naotaka",
volume="",
number="",
pages="-",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0448-8938",
doi="",
url="http://dx.doi.org/"
}