Graham, Ian <br/><br/>
How It Works : The World Of Computer& Communicatio 

 - 0 
 - 46 hlm.  ilus.  31 cm 
<br/><br/> To knows how to look inside printing, cameras, television, tape, CD, elektronics, telephone, satelits, radios, calculators, computers, etc. 
<br/><br/><label>ISBN: </label>1-899762-47-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>0
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Grade 7-9
<br/><br/><label>Dewey Class. No.: </label>004.