01013nam0 22002891i 450 SUN002092820140625025023.23804-7162-056-420040727d1991 |0engc50 baengUS|||| |||||Digital telephonyJohn Bellamy2. edNew YorkChichesterJohn Wiley & Sons1991572 p.25 cm.001SUN00202312001 Wiley series in telecommunications210 New YorkWiley.USNew YorkSUNL000011621.38521Bellamy, JohnSUNV017177535162WileySUNV000201650Bellamy, John G.Bellamy, JohnSUNV017178ITSOL20201005RICASUN0020928UFFICIO DI BIBLIOTECA DEL DIPARTIMENTO DI INGEGNERIA05CONS K V 014 05 1466 20040727 Digital telephony42689UNICAMPANIA