Proakis, John G. Communication systems engineering / John G. Proakis, Masoud Salehi. - 2nd ed. - Harlow : Prentice Hall, 2001. - 886p. (pbk) ; 24cm. ISBN: 0130617938 Nat. Bib. No.: bA1V9740 Subjects--Topical Terms: TelecommunicationTelecommunication--Problems, exercises, etc. Dewey Class. No.: 621.382