Croy, Otto R.,  1902-1977 <br/><br/>
Camera copying and reproduction / 
O.R. Croy ; [ translation from the German] by L.A. Mannheim 
 - London :  Focal Press,  1964 
 - 256 p. ;  24 cm. 
<br/><br/><label>ISBN: </label> PND 4.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Photography--Copying
<br/><br/><label>Dewey Class. No.: </label>770.28