Handbook of data communications 

 - Manchester  NCC Publications England      1982 
 - 497p.  cm. 
<br/><br/><label>ISBN: </label>0850123631 (hbk) 
<br/><br/><label>Standard No.: </label>87470 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGINEERING
<br/><br/><label>Dewey Class. No.: </label>D65,8(B), M2(RR)