Hanson, Peggy <br/><br/>
Keypunching / 
Peggy Henson 
 - Englewood Cliffs :  Prentice-Hall, Inc.  1984 
 - ix, 192 pages :  26 cm. 
<br/><br/> Include index 
<br/><br/><label>ISBN: </label>0135149010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems<br/>Keypunches
<br/><br/><label>LC Class. No.: </label>HF 5548 H357 1984 CIRC