00298nam a2200109Ia 450000500170000000800410001708200160005810000200007424500350009426000510012930000080018020260224040839.0260224s9999||||xx |||||||||||||| ||und||  a621.382 KOL  aKolimbiris, H.  0aDigital communication system :  aUpper Saddle River, N.J. : Prentice Hallc2004  a486