Croy, O.R. <br/><br/>
Camera copying and reproduction 
O. R. Croy 
 - London  Focal Press  1964 
 - 256p.  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography<br/>Copying
<br/><br/><label>LC Class. No.: </label>TR470.C8613