Kessler, Gary C. <br/><br/>
ISDN :  concepts, facilities, and services / 
Gary C. Kessler 
 - 2nd ed. 
 - New York :  McGraw-Hill,  c1995. 
 - xviii, 454 p. ;  ill. ;  22 cm. 
 - McGraw-Hill series on computer communications .
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0070342474 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer communications<br/>Integrated services digital networks computer science
<br/><br/><label>LC Class. No.: </label>TK5103.7  / .K47 1995 
<br/><br/><label>Dewey Class. No.: </label>004.6  / K42i