@article{ref1,
title="Foreign Overt Military Intervention in the Nuclear Age: A Clarification",
journal="Journal of peace research",
year="1989",
author="Tillema, Herbert K.",
volume="26",
number="4",
pages="419-420",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-3433",
doi="10.1177/0022343389026004008",
url="http://dx.doi.org/10.1177/0022343389026004008"
}