RT Article T1 The Logic of Tribute Versus the Logic of Commerce: why Did Dirhams Reach East Central Europe during the Tenth Century JF The medieval networks in East Central Europe SP 155 OP 173 A1 Adamczyk, Dariusz LA English PB Routledge YR 2019 UL https://ixtheo.de/Record/1690924608 SN 9781315149219 SN 9781138554856 SN 1138554847 SN 1138554855 SN 9781138554849