@Book{039925129,
author="Boyle, John Andrew",
title="Mongol World Empire: 1206 - 1370",
series="Variorum collected studies series 58",
year="1977",
publisher="Variorum Reprints",
address="London",
keywords="MongolsHistory",
note="John Andrew Boyle",
note="Includes bibliographical references and index",
isbn="0860780023",
language="English"
}