@article{ref1,
title="Focus on: Freedom of Information and National Security",
journal="Journal of peace research",
year="1983",
author="Halperin, M. H.",
volume="20",
number="1",
pages="1-4",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3433",
doi="10.1177/002234338302000101",
url="http://dx.doi.org/10.1177/002234338302000101"
}