Bellamy, John C.  (1941- ). <br/><br/>
Digital telephony / 
John C. Bellamy. 
 - 3rd ed. 
 - New York [etc.] :  John Wiley & Sons,  cop. 2000. 
 - XXV, 643 s. :  il. ;  25 cm. 
 - Wiley Series in Telecommunications and Signal Processing .
 - Wiley Series in Telecommunications and Signal Processing .
<br/><br/> Na s. tyt.: A Wiley-Interscience Publication. 
<br/><br/>Bibliogr. przy rozdz. Indeks. 
<br/><br/><label>ISBN: </label>9780471345718 0471345717