Emanuel, Walter Daniel  <br/><br/>
Praktica and prakticamat guide 
Walter Daniel Emanuel 
 - London  Focal Press  1979 
 - 78p.  illus 
 - Focal Camera Guide .
<br/><br/><label>ISBN: </label>0-240-44777-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Camera-rolleiPhotography DevelopementPhotography-processes
<br/><br/><label>Universal Decimal Class. No.: </label>77(026)  / EMA