Purser, Michael,  1937- <br/><br/>
Computers and telecommunications networks / 
Michael Purser. 
 - Oxford [Oxfordshire] ;  Boston :  Blackwell Scientific Publications,  1987. 
 - viii, 323 p. 
<br/><br/><label>ISBN: </label>0632016477 0632016485 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telecommunication systems.<br/>Data transmission systems.<br/>Computer networks.
<br/><br/><label>Dewey Class. No.: </label>004.6�19