@article{Hehmeyer1989,
author="Ingrid Hehmeyer",
title="Irrigation farming in the ancient oasis of Marib",
year="1989",
journal="Proceedings of the Seminar for Arabian Studies",
volume="19",
number="Proceedings of the Twenty",
pages="33-44",
keyword0="Crops",
keyword1="Irrigation",
keyword2="Marib",
type="journal"
}