Martin, E W <br/><br/>
Computers and information systems : An Introduction 
by E W Martin and William C Perkins 
 - London  Richard D Irwine  1973 
 - 635p. 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>0256014523 
<br/><br/><label>Dewey Class. No.: </label>001.64 MAR/COM