HUTCHINSON, S. E. <br/><br/>
Computer Communications Information  : A User's Introduction. 

 - New York,  Mcgraw- Hill  Higher Education,  2000. 
 - xv,167p.:Ill.; figures, pictures,  Index  27cm. 
<br/><br/><label>ISBN: </label>0-07-229748-4 
<br/><br/><label>Dewey Class. No.: </label>004 HUT