Hawken, William R. <br/><br/>
Photocopying from bound volumes   : a study of machines, methods and materials: supplement No.3 

 - Chicago  : American Library Association,  1964 
 - various pagings  ; 29cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photomechanical processes
<br/><br/><label>LC Class. No.: </label>TR927.H312