@article{ref1,
title="Internal and external threats: defence economic analysis",
journal="Defence and peace economics",
year="2003",
author="Barros, Carlos Pestana and Sandler, T.",
volume="14",
number="6",
pages="385-388",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1024-2694",
doi="10.1080/1024269032000085152",
url="http://dx.doi.org/10.1080/1024269032000085152"
}