Evangelia Tzifa Panagiotis Demestichas Malamati D. Louta E. S. Tsouka Michael E. Theologou Miltiades E. Anagnostou Adaptive radio spectrum allocation through mid-term reconfigurations for cellular communications systems. 361-375 1999 22 Computer Communications 4 http://dx.doi.org/10.1016/S0140-3664(98)00252-7 db/journals/comcom/comcom22.html#TzifaDLTTA99