Jacobson, C.I. <br/><br/>
Enlarging : technique of positive 

 - 7th edn. 
 - London  Focal Press  1946 
 - 304p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>M95
<br/><br/><label>Dewey Class. No.: </label>M95  / H6