@misc{Madaj1988,
author="Abd al-Muhsin Madaj M. Madaj",
title="The Yemen in Early Islam, 9-233/630-847: A Political History",
year="1988",
journal="Durham Middle East Monographs No. 3",
address="London",
keyword0="Abbasid",
keyword1="History",
keyword2="Imyar",
keyword3="Preislamic",
keyword4="Warfare",
type="report"
}