Rothman, M. J. and Blackman, M. J. 1992. "Monitoring Administrative Spheres of Action in Late Prehistoric Northern Mesopotamia with the Aid of Chemical Characterization INAA, of Sealing Clays." in Economy and Settlement in the Near East: Analysis of Ancient Sites and Materials, edited by Miller, N. F., 19–45. Philadelphia: MASCA Research Papers in Science and Archaeology, University of Penn.