@article{ref1,
title="Measuring friendship and hostility among communist powers: Some unobtrusive measures of esoteric communication",
journal="Social science research",
year="1972",
author="Inoguchi, Takashi",
volume="1",
number="1",
pages="79-105",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0049-089X",
doi="10.1016/0049-089X(72)90059-2",
url="http://dx.doi.org/10.1016/0049-089X(72)90059-2"
}