Reihe Advances in Information SecurityGerrit Bleumer × Electronic Postage SystemsTechnology, Security, EconomicsGerrit BleumerSpringer USSoftcover2014106,99 € Electronic Postage SystemsTechnology, Security, EconomicsGerrit BleumerSpringer USeBook200796,29 € Electronic Postage SystemsTechnology, Security, EconomicsGerrit BleumerSpringer USHardcover2006106,99 €