@book{Costa1980, author="Paolo M. Costa", title="Sana'a", year="1980", booktitle="The Islamic City: Selected Papers from the Colloquium held at the Middle East Centre, Faculty of Oriental Studies, Cambridge, United Kingdom from 19 to 23 July 1976", editor="R.B. Serjeant", publisher="UNESCO", address="Paris", pages="151-65", keyword0="Sana'a", type="chapter" }