@article{ref1,
title="The Practice and Explanation of Coups D'Etat: Measurement or Artifact?",
journal="American journal of sociology",
year="1976",
author="Morrison, Donald George and Stevenson, Hugh Michael",
volume="82",
number="3",
pages="674-683",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/226359",
url="http://dx.doi.org/10.1086/226359"
}