00976nam0-2200349li-450 99000014677020331620180312154841.00-471-62056-40014677USA010014677(ALEPH)000014677USA01001467720001109d1991----km-y0itay0103----baengUSDigital telephonyJohn Bellamy2nd edNew York [etc.]John Wiley & Sonscopyr. 1991XIX, 572 p.ill.25 cmradiotelefoniaBellamy,John535162Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990000146770203316621.385 BEL0001886BKTEC1993030520001110USA01171220020403USA011622PATRY9020040406USA011611Digital telephony42689UNISA