@book{48271,
	author = {Sousa, Ahmed.},
	title = {Rī Sāmarrāʼ fī ʻahd al-khilāfah al-ʻAbbāsīyah /},
	publisher = {Maṭbuʻah al-Maʻārif,},
	year = {1948-},
	address = {Baghdād :},
	edition = {al-Ṭabʻah 1.},
	note = {Cover title: The irrigation system of Samarrah during the Abbassid caliphate.}
}