@article{ref1,
title="Automatic Dependent Surveillance-Broadcast (ADS-B)--the first step in the FAA's next-generation air transportation system",
journal="Aviation, space, and environmental medicine",
year="2009",
author="Barson, John V.",
volume="80",
number="4",
pages="422-423",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-6562",
doi="",
url="http://dx.doi.org/"
}