Crowley, Thomas H. <br/><br/>
Understanding Computers / 
Thomas H. Crowley,  
 - London :  McGraw-Hill Book Company,  1967 
 - 142 p. :  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers
<br/><br/><label>Dewey Class. No.: </label>621.38195  / CRO 1967