Persia's imperial power in late antiquity: the Great Wall of Gorgān and the frontier landscapes of Sasanian Iran ; a joint fieldwork project by the Iranian Cultural Heritage, Handcraft and Tourism Organization, the Iranian Center for Archaeological Research and the Universities of Edinburgh and Durham (2005 - 2009) = Qudrat-i imparāṭūrī-i Īrān dar awāḫir-i daurān-i bāstān : dīwār-i buzurg-i Gurgān wa čašm-andāz-i marzī-i Īrān dar daura-i sāsānī - Sauer, Eberhard W. (Archaeological monographs series, 2013)