Gurrie, Michael L. <br/><br/>
Voice/data telecommunications systems / 

 - Englewood Cliffs, N.J:  Prentice-Hall,  c1986. 
 - ix, 373p. 
<br/><br/><label>ISBN: </label>0139432833 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data telecommunication
<br/><br/><label>Dewey Class. No.: </label>621.38 GUV