@book{Welbank1983,
author="Michael Welbank",
title="Conservation and development",
year="1983",
booktitle="Yemen at the Crossroads",
editor="Ahmet Evin",
publisher="The Aga Khan Award for Architecture",
edition="1",
address="Singapore",
pages="7-16",
keyword0="Architecture",
keyword1="Preservation",
keyword2="Problems",
type="chapter"
}