Donker Duyvis, Frits <br/><br/>
Document reproduction services  : their efficient organization and management. 

 - Paris :  UNESCO,  1961. 
 - 23p.  : ill.  ; 24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reproductive of money, documents, etc.<br/>Photomechanical processes
<br/><br/><label>LC Class. No.: </label>PAM TR925.D6