Verry, H.R.  <br/><br/>
Document copying and reproduction processes  (Book) 

 - London  Fountain Press  1960 
 - 328p.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Copying processes
<br/><br/><label>Universal Decimal Class. No.: </label>652.3 VER  / 534