@book{Schmidt1987,
author="Jürgen Schmidt",
title="The Sabaean irrigation economy of Marib",
year="1987",
booktitle="Yemen: 3000 Years of Art and Civilisation in Arabia Felix",
editor="Werner Daum",
publisher="Pinguin-Verlag",
address="Innsbruck",
pages="55-62",
keyword0="Antiquity",
keyword1="Irrigation",
keyword2="Marib",
type="chapter"
}