S. Soursos, C. A. Courcoubetis, G. C. Polyzos, "Pricing Differentiated Services in the GPRS Environment", Wireless Netwo

S. Soursos, C. A. Courcoubetis, G. C. Polyzos, "Pricing Differentiated Services in the GPRS Environment", Wireless Networks (Special Issue on Wireless Mobile Internet), pp. 331-339, July, 2003