@article{ref1,
title="The maximum speed and the technology development of the Shinkansen",
journal="Japanese railway engineering",
year="2009",
author="",
volume="49",
number="4",
pages="19 : map.-19 : map.",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0448-8938",
doi="",
url="http://dx.doi.org/"
}