@book{Varisco1984, author="Daniel Martin Varisco and Najwa Adra", title="Affluence and the concept of the tribe in the central highlands of the Yemen Arab Republic", year="1984", booktitle="Affluence and Cultural Survival", editor="Salisbury R.F.", publisher="The American Ethnological Society", address="Washington, DC", pages="134-49", keyword0="Al-Ahjur", keyword1="Migration", type="chapter" }