Payne, E. A. <br/><br/>
Easily applied principles of keypunching / 
E.A. Payne, W.F. Payne 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1970 
 - 208p.:  ill.;  31 cm. 
<br/><br/><label>ISBN: </label>0132227037 
<br/><br/><label>LCCN: </label>72-118315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems