@book{Piepenburg1987,
author="Fritz Piepenburg",
title="Sana'a al-qadeema: The challenges of modernization",
year="1987",
booktitle="The Middle East City: Ancient Traditions Confront a Modern World",
editor="Abdulaziz Y. Saqqaf",
publisher="Paragon House Publishers",
address="New York",
pages="93-113",
keyword0="Preservation",
keyword1="Sana'a",
type="chapter"
}