@inbook {193476,
	title = {The {\textquoteright}External Economy{\textquoteright}: Networks and Trade},
	booktitle = {Models of Mesopotamian Landscapes: How Small-Scale Processes Contributed to the Growth of Early Civilizations},
	series = {BAR International Series 2552},
	year = {2013},
	pages = {140-151},
	publisher = {Archaeopress},
	organization = {Archaeopress},
	address = {Oxford},
	author = {Branting, Scott and Wilkinson, T.J. and Christiansen, John and Widell, Magnus and Hritz, Carrie and Ur, Jason and Studevent-Hickman, Benjamin and Altaweel, Mark},
	editor = {Wilkinson, T.J. and Gibson, McGuire and Widell, Magnus}
}
