@article{Heiss1987,
author="Johann Heiss",
title="Historical and social aspects of adah, a Yemeni town",
year="1987",
journal="Proceedings of the Seminar for Arabian Studies",
volume="17",
number="Proceedings of the Twenti",
pages="63-80",
keyword0="Adah",
keyword1="History",
keyword2="Tribes",
type="journal"
}