Kupsh, Joyce. <br/><br/>
Duplicating :  machine operation and decision making / 
Joyce Kupsh. 
 - Beverly Hills, Calif. :  Glencoe Press,  [1972]. 
 - viii, 173 p. :  ill. ;  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copying processes.
<br/><br/><label>Dewey Class. No.: </label>686