The cognito pocket guide to mobile communications.  [Book] 

 -  Cognito Group,  1991. 
 - 92p. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>0951806408 (pbk) : 
<br/><br/><label>Nat. Bib. No.: </label>GB9146969  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mobile communication systems.<br/>Wireless communication systems.<br/>Wireless communication systems--Congresses.
<br/><br/><label>Dewey Class. No.: </label>621.3845