Martin E W <br/><br/>
Computers and information systems and introduction 
Martin E W; Perkins William C 
 -  1973 
<br/><br/><label>Standard No.: </label>12696 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>X:80bD6,8(B), L3