@book{Daum1980,
author="Werner Daum",
title="Jemen: Das südliche Tor Arabiens",
year="1980",
publisher="Edition Erdmann",
address="Tübingen",
keyword0="Abban",
keyword1="Aden",
keyword2="Folklore",
keyword3="Geography",
keyword4="Jews",
keyword5="Prehistory",
type="book"
}