Clark, John O E <br/><br/>
Computers at work 

 - 
 - London  Hamlyn  1970 
 - 159 p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Computer systems  Computer operating systems  Computer peripherals  Computer software  Computers  Electronic data procressing 
<br/><br/><label>Dewey Class. No.: </label>681.4