Gregory, Robert H. <br/><br/>
Automatic data-processing systems:  principles and procedures/ 
Robert H. Gregory and Richard L. Van Horn 
 - 2nd ed. 
 - London:  Chatto and Windus,  c1963 
 - xi, 816 p.:  ill.;  23 cm. 
 - Wadsworth accounting and data procesing  series .
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 186.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing<br/>Office practice--Automation<br/>Electronic office machines
<br/><br/><label>Dewey Class. No.: </label>651.26