MOOSAVIJASHNI, SEYED SADRUDIN AND DERAKHSI, HASSAN (Teheran) Spectrographic study ofPhraates IV silver coins to identify Parthian coins insuance standards. Bulletin of Parthian and Mixed Oriental Studies 2 (2007): 21-28. Buy online and download the PDF immediately. saiscademic2@gmail.com. http://saisbooks.atspace.com